8x+7=4+-9

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



8x+7=4+-9

We move all terms to the left:

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

We add all the numbers together, and all the variables

8x+7-(-5)=0

We add all the numbers together, and all the variables

8x+12=0

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

8x=-12

x=-12/8

x=-1+1/2

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