7+5x=100-4x

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Solution for 7+5x=100-4x equation: 



7+5x=100-4x

We move all terms to the left:

7+5x-(100-4x)=0

We add all the numbers together, and all the variables

5x-(-4x+100)+7=0

We get rid of parentheses

5x+4x-100+7=0

We add all the numbers together, and all the variables

9x-93=0

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

9x=93

x=93/9

x=10+1/3

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