8x+4+3x+7=90

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Solution for 8x+4+3x+7=90 equation: 



8x+4+3x+7=90

We move all terms to the left:

8x+4+3x+7-(90)=0

We add all the numbers together, and all the variables

11x-79=0

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

11x=79

x=79/11

x=7+2/11

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