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0.06x+0.15(0.5-x)=0.04
We move all terms to the left:
0.06x+0.15(0.5-x)-(0.04)=0
We add all the numbers together, and all the variables
0.06x+0.15(-1x+0.5)-(0.04)=0
We add all the numbers together, and all the variables
0.06x+0.15(-1x+0.5)-0.04=0
We multiply parentheses
0.06x-0.15x+0.075-0.04=0
We add all the numbers together, and all the variables
-0.09x+0.035=0
We move all terms containing x to the left, all other terms to the right
-0.09x=-0.035
x=-0.035/-0.09
x=0.035/0.09
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