7x=9x-30

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Solution for 7x=9x-30 equation:



7x=9x-30
We move all terms to the left:
7x-(9x-30)=0
We get rid of parentheses
7x-9x+30=0
We add all the numbers together, and all the variables
-2x+30=0
We move all terms containing x to the left, all other terms to the right
-2x=-30
x=-30/-2
x=+15

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