7x=90+5x

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Solution for 7x=90+5x equation:



7x=90+5x
We move all terms to the left:
7x-(90+5x)=0
We add all the numbers together, and all the variables
7x-(5x+90)=0
We get rid of parentheses
7x-5x-90=0
We add all the numbers together, and all the variables
2x-90=0
We move all terms containing x to the left, all other terms to the right
2x=90
x=90/2
x=45

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