(x-30)+(x+45)=90

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Solution for (x-30)+(x+45)=90 equation: 



(x-30)+(x+45)=90

We move all terms to the left:

(x-30)+(x+45)-(90)=0

We get rid of parentheses

x+x-30+45-90=0

We add all the numbers together, and all the variables

2x-75=0

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

2x=75

x=75/2

x=37+1/2

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