3.5(2.25+x)=15

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Solution for 3.5(2.25+x)=15 equation: 



3.5(2.25+x)=15

We move all terms to the left:

3.5(2.25+x)-(15)=0

We add all the numbers together, and all the variables

3.5(x+2.25)-15=0

We multiply parentheses

3.5x+7.875-15=0

We add all the numbers together, and all the variables

3.5x-7.125=0

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

3.5x=7.125

x=7.125/3.5

x=2+0.125/3.5

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