DiscussionsCategory: MathematicsPlease Simplify -2 [a – 2] = -3 [ b – 4 ]
Ezimeruwe OghenekaroEzimeruwe Oghenekaro asked 4 years ago

Please simplify -2 [a – 2] = -3 [ b – 4 ]

omosede obazeeomosede obazee replied 4 years ago

-2a+3b=8

Tamarauemoemi DestinyTamarauemoemi Destiny replied 4 years ago

-2xa – 2x-2= -3xb – 3x-4
-2a+4= -3b+12
Collect like term
-2a+3b=12-4
3b-2a=8

Oluwanifemi OshineyeOluwanifemi Oshineye replied 4 years ago

= 3b-2a=8

Aisha SuleimanAisha Suleiman replied 3 years ago

Nice and

Adaku IwuAdaku Iwu replied 1 year ago

a=8

OSE EKIKHALOOSE EKIKHALO replied 1 year ago

correct

18 Answers
henry onihenry oni answered 4 years ago

-2a+3b=8

Ezimeruwe OghenekaroEzimeruwe Oghenekaro replied 4 years ago

NICE JOB

Steph OgedengbeSteph Ogedengbe replied 3 years ago

-2a+3b=8

Sadiq BarauSadiq Barau answered 4 years ago

Thats -2a+3b=8

Tubotamuno Wise PrinceTubotamuno Wise Prince answered 4 years ago

-2a + 3b – 8 = 0;
Or -a2 + 3b = 8
That’s the answer

Enwongho Abasi EtukakpanEnwongho Abasi Etukakpan answered 4 years ago

3b-2a=8

Nana Hauwa SuberuNana Hauwa Suberu answered 4 years ago

-2a+3b=8

Zainab AhmaduZainab Ahmadu answered 4 years ago

-2a+3b=8

Nelson ChukwuNelson Chukwu replied 4 years ago

Nice girl

Halima AhmaduHalima Ahmadu answered 4 years ago

-2a+3b=8

Maryam Abduljamih FolorunshoMaryam answered 4 years ago

-2a+3b=8

Chiagoziem JohnsonChiagoziem Johnson answered 4 years ago

-2a +3b =8

judah calebjudah caleb answered 4 years ago

-2a+3b=8

Johnson ParisJohnson Paris answered 4 years ago

-2[a – 2] = -3[b – 4]
Clear the bracket by multiplying LHS by -2 and RHS by -3:
-2a + 4 = -3b + 12
Collect like terms
-2a + 3b = 12 – 4
-2a + 3b = 8
 

Eno EkikoEno Ekiko answered 4 years ago

-2[a – 2] = -3[b – 4]
-2a + 4 = -3b + 12
-2a + 3b = 12 – 4
-2a + 3b = 8…….(i)  to prove that this is true
Let find the value of a and substitute in (i) above
-2a + 3b = 8
-2a = 8 – 3b
a = [8 – 3b] / -2   
Substituting (a) in (i) we have
-2a + 3b = 8
-2[(8 – 3b)/ -2] + 3b = 8
8 – 3b + 3b = 8
8 = 8
Therefore, it is true that -2a + 3b = 8

Nelson ChukwuNelson Chukwu answered 4 years ago

= – 2a + 3b = 8

Melvyn ChukwuMelvyn Chukwu answered 3 years ago

-2(a-2)=-3(b-4)
=-2a+4=-3b+12
=-2a+3b=12-4
=-2a+3b=8
 

Eunice OkerekeEunice Okereke answered 3 years ago

-2a+3b=8

Sheriffdeen AkinwaleSheriffdeen Akinwale replied 3 years ago

-2a+3b=8. That’s the answer

Favour StephenFavour Stephen answered 2 years ago

-2(a-2)=-3(b-4)
Solution 
-2(a-2)=-3(b-4)
-2a+4=-3b+12
Collect like terms
When minus(-) cross over it turns plus while when plus(+) crosses over it turns minus sign
-2a+3b=12-4
-2a+3b=8
Take note
+ × – = –
– × + = –
+ × + = +
– × – = +
So you use -2 to multiply your first bracket and use -3 bracket is multiplication because its in bracket cause you are using the number before the bracket to multiply all numbers in the bracket each like if you put the equation
-2×a-2=-3×b-4you get
-2a-2=-3b-4 because there is no bracket. 
 

Monday OtamoduaMonday Otamodua answered 1 year ago

3b-2a=8

Timileyin DonaldTimileyin Donald answered 10 months ago

-2a+3b=8

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