(15+2x)+(18+2x)=400

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Solution for (15+2x)+(18+2x)=400 equation: 



(15+2x)+(18+2x)=400

We move all terms to the left:

(15+2x)+(18+2x)-(400)=0

We add all the numbers together, and all the variables

(2x+15)+(2x+18)-400=0

We get rid of parentheses

2x+2x+15+18-400=0

We add all the numbers together, and all the variables

4x-367=0

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

4x=367

x=367/4

x=91+3/4

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