12b-42=7b-18

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Solution for 12b-42=7b-18 equation:



12b-42=7b-18
We move all terms to the left:
12b-42-(7b-18)=0
We get rid of parentheses
12b-7b+18-42=0
We add all the numbers together, and all the variables
5b-24=0
We move all terms containing b to the left, all other terms to the right
5b=24
b=24/5
b=4+4/5

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