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0.4x+1.18=-3.1(2-0.1)
We move all terms to the left:
0.4x+1.18-(-3.1(2-0.1))=0
We add all the numbers together, and all the variables
0.4x+1.18-(-3.1(1.9))=0
We add all the numbers together, and all the variables
0.4x+7.07=0
We move all terms containing x to the left, all other terms to the right
0.4x=-7.07
x=-7.07/0.4
x=-17+0.27/0.4
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