3x-4(2x+5)=15

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Solution for 3x-4(2x+5)=15 equation: 



3x-4(2x+5)=15

We move all terms to the left:

3x-4(2x+5)-(15)=0

We multiply parentheses

3x-8x-20-15=0

We add all the numbers together, and all the variables

-5x-35=0

We move all terms containing x to the left, all other terms to the right

-5x=35

x=35/-5

x=-7

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