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0.15x+0.05(2-x)=0.5(-1)
We move all terms to the left:
0.15x+0.05(2-x)-(0.5(-1))=0
We add all the numbers together, and all the variables
0.15x+0.05(-1x+2)-(0.5(-1))=0
We add all the numbers together, and all the variables
0.15x+0.05(-1x+2)+0.5=0
We multiply parentheses
0.15x-0.05x+0.1+0.5=0
We add all the numbers together, and all the variables
0.1x+0.6=0
We move all terms containing x to the left, all other terms to the right
0.1x=-0.6
x=-0.6/0.1
x=-5+0.1/0.1
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