0.5x-(0.8-0.2x)=0.4x+0.7

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Solution for 0.5x-(0.8-0.2x)=0.4x+0.7 equation: 



0.5x-(0.8-0.2x)=0.4x+0.7

We move all terms to the left:

0.5x-(0.8-0.2x)-(0.4x+0.7)=0

We add all the numbers together, and all the variables

0.5x-(-0.2x+0.8)-(0.4x+0.7)=0

We get rid of parentheses

0.5x+0.2x-0.4x-0.8-0.7=0

We add all the numbers together, and all the variables

0.3x-1.5=0

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

0.3x=1.5

x=1.5/0.3

x=5

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