7=1x+2x-5-5x

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Solution for 7=1x+2x-5-5x equation: 



7=1x+2x-5-5x

We move all terms to the left:

7-(1x+2x-5-5x)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

2x+5+7=0

We add all the numbers together, and all the variables

2x+12=0

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

2x=-12

x=-12/2

x=-6

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