5x+9=7x-3+90

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Solution for 5x+9=7x-3+90 equation: 



5x+9=7x-3+90

We move all terms to the left:

5x+9-(7x-3+90)=0

We add all the numbers together, and all the variables

5x-(7x+87)+9=0

We get rid of parentheses

5x-7x-87+9=0

We add all the numbers together, and all the variables

-2x-78=0

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

-2x=78

x=78/-2

x=-39

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