7x/2-9=12

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Solution for 7x/2-9=12 equation:



7x/2-9=12
We move all terms to the left:
7x/2-9-(12)=0
We add all the numbers together, and all the variables
7x/2-21=0
We multiply all the terms by the denominator
7x-21*2=0
We add all the numbers together, and all the variables
7x-42=0
We move all terms containing x to the left, all other terms to the right
7x=42
x=42/7
x=6

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