(3x-4)+(5x+6)=42

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Solution for (3x-4)+(5x+6)=42 equation: 



(3x-4)+(5x+6)=42

We move all terms to the left:

(3x-4)+(5x+6)-(42)=0

We get rid of parentheses

3x+5x-4+6-42=0

We add all the numbers together, and all the variables

8x-40=0

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

8x=40

x=40/8

x=5

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