7=4x-8x-9

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Solution for 7=4x-8x-9 equation: 



7=4x-8x-9

We move all terms to the left:

7-(4x-8x-9)=0

We add all the numbers together, and all the variables

-(-4x-9)+7=0

We get rid of parentheses

4x+9+7=0

We add all the numbers together, and all the variables

4x+16=0

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

4x=-16

x=-16/4

x=-4

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