(4x-7)+(3x+9)=90

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Solution for (4x-7)+(3x+9)=90 equation: 



(4x-7)+(3x+9)=90

We move all terms to the left:

(4x-7)+(3x+9)-(90)=0

We get rid of parentheses

4x+3x-7+9-90=0

We add all the numbers together, and all the variables

7x-88=0

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

7x=88

x=88/7

x=12+4/7

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