s+7+3s=2s+12

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Solution for s+7+3s=2s+12 equation: 



s+7+3s=2s+12

We move all terms to the left:

s+7+3s-(2s+12)=0

We add all the numbers together, and all the variables

4s-(2s+12)+7=0

We get rid of parentheses

4s-2s-12+7=0

We add all the numbers together, and all the variables

2s-5=0

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

2s=5

s=5/2

s=2+1/2

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