11x+7=10x-20+9

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Solution for 11x+7=10x-20+9 equation: 



11x+7=10x-20+9

We move all terms to the left:

11x+7-(10x-20+9)=0

We add all the numbers together, and all the variables

11x-(10x-11)+7=0

We get rid of parentheses

11x-10x+11+7=0

We add all the numbers together, and all the variables

x+18=0

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

x=-18

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