x+0.07+0.20(x+0.07)=21

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Solution for x+0.07+0.20(x+0.07)=21 equation:



x+0.07+0.20(x+0.07)=21
We move all terms to the left:
x+0.07+0.20(x+0.07)-(21)=0
We add all the numbers together, and all the variables
x+0.20(x+0.07)-20.93=0
We multiply parentheses
x+0.2x+0.014-20.93=0
We add all the numbers together, and all the variables
1.2x-20.916=0
We move all terms containing x to the left, all other terms to the right
1.2x=20.916
x=20.916/1.2
x=17+0.516/1.2

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