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3 years ago

14

PLEASE HELP!! what is the value of x?

1 answer:

Tanzania [10]3 years ago

8 0

Answer:

$\frac{3x}{4x} =\frac{3x+7}{5x-8}$

$\frac{3}{4} =\frac{3x+7}{5x-8}\: (cross\: multiply)$

$3(5x-8)=4(3x+7)$

$15x-24=12x+28\\+24~~~~~~~~~~~~+24$

$15x=12x+52\\-12x~~~~-12x\\-------\\3x=52$

$\frac{3x}{3} =\frac{52}{3}$

$x=52/3$

$Answer:C$

<u>-------------------------</u>

Hope it helps...

Have a great day!!

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