0.50x+0.20(9.0-x)=4.05

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Solution for 0.50x+0.20(9.0-x)=4.05 equation: 



0.50x+0.20(9.0-x)=4.05

We move all terms to the left:

0.50x+0.20(9.0-x)-(4.05)=0

We add all the numbers together, and all the variables

0.50x+0.20(-1x+9)-(4.05)=0

We add all the numbers together, and all the variables

0.50x+0.20(-1x+9)-4.05=0

We multiply parentheses

0.50x-0.2x+1.8-4.05=0

We add all the numbers together, and all the variables

0.3x-2.25=0

We move all terms containing x to the left, all other terms to the right

0.3x=2.25

x=2.25/0.3

x=7+0.15/0.3

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