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1.5=7.9-2x
We move all terms to the left:
1.5-(7.9-2x)=0
We add all the numbers together, and all the variables
-(-2x+7.9)+1.5=0
We get rid of parentheses
2x-7.9+1.5=0
We add all the numbers together, and all the variables
2x-6.4=0
We move all terms containing x to the left, all other terms to the right
2x=6.4
x=6.4/2
x=3+0.4/2
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