7=-9-4x

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Solution for 7=-9-4x equation:



7=-9-4x
We move all terms to the left:
7-(-9-4x)=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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