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2(x-5)-12=-30.2
We move all terms to the left:
2(x-5)-12-(-30.2)=0
We add all the numbers together, and all the variables
2(x-5)+18.2=0
We multiply parentheses
2x-10+18.2=0
We add all the numbers together, and all the variables
2x+8.2=0
We move all terms containing x to the left, all other terms to the right
2x=-8.2
x=-8.2/2
x=-4+0.2/2
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