0.80x-0.30(20+x)=1.45(20

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Solution for 0.80x-0.30(20+x)=1.45(20 equation: 



0.80x-0.30(20+x)=1.45(20

We move all terms to the left:

0.80x-0.30(20+x)-(1.45(20)=0

We add all the numbers together, and all the variables

0.80x-0.30(x+20)-(1.4520=0

We add all the numbers together, and all the variables

0.80x-0.30(x+20)=0

We multiply parentheses

0.80x-0.3x-6=0

We add all the numbers together, and all the variables

0.5x-6=0

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

0.5x=6

x=6/0.5

x=12

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