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X+X(.14)=210
We move all terms to the left:
X+X(.14)-(210)=0
We add all the numbers together, and all the variables
X+X(0.14)-210=0
We multiply parentheses
X+0.14X-210=0
We add all the numbers together, and all the variables
1.14X-210=0
We move all terms containing X to the left, all other terms to the right
1.14X=210
X=210/1.14
X=184+0.24000000000001/1.14
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