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0.05+x(0.09-0.05)=0.12
We move all terms to the left:
0.05+x(0.09-0.05)-(0.12)=0
We add all the numbers together, and all the variables
x(0.04)+0.05-(0.12)=0
We add all the numbers together, and all the variables
x(0.04)-0.07=0
We multiply parentheses
0.04x-0.07=0
We move all terms containing x to the left, all other terms to the right
0.04x=0.07
x=0.07/0.04
x=1+0.03/0.04
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