3-5x=40-7x

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Solution for 3-5x=40-7x equation: 



3-5x=40-7x

We move all terms to the left:

3-5x-(40-7x)=0

We add all the numbers together, and all the variables

-5x-(-7x+40)+3=0

We get rid of parentheses

-5x+7x-40+3=0

We add all the numbers together, and all the variables

2x-37=0

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

2x=37

x=37/2

x=18+1/2

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