tennisgirl13 tennisgirl13

21-09-2017
Mathematics

contestada

Solve: 3x-15 over 2=4x

A. 11

B. 6

C. -3

D. -15

Respuesta :

Tiffani906241 Tiffani906241

21-09-2017

C.-3
x=-3

3x-15/2=4x
multiply 2 on both sides
3x-15=8x
subtract 3x from both sides
-15=5x
divide 5 from both sides
-3=x

Answer Link

HermioneGranger919 HermioneGranger919

21-09-2017

Your answer is C) -3.

Here is my work:

3x-15/2=4x
=3x-15=8x
=-15=5x
=-3=x

Answer Link

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