5+2x=7x-40

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Solution for 5+2x=7x-40 equation: 



5+2x=7x-40

We move all terms to the left:

5+2x-(7x-40)=0

We get rid of parentheses

2x-7x+40+5=0

We add all the numbers together, and all the variables

-5x+45=0

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

-5x=-45

x=-45/-5

x=+9

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