(4x+5)+(5x-7)=90

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Solution for (4x+5)+(5x-7)=90 equation: 



(4x+5)+(5x-7)=90

We move all terms to the left:

(4x+5)+(5x-7)-(90)=0

We get rid of parentheses

4x+5x+5-7-90=0

We add all the numbers together, and all the variables

9x-92=0

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

9x=92

x=92/9

x=10+2/9

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