0.8x-0.4(40+x)=-0.2(40)

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Solution for 0.8x-0.4(40+x)=-0.2(40) equation: 



0.8x-0.4(40+x)=-0.2(40)

We move all terms to the left:

0.8x-0.4(40+x)-(-0.2(40))=0

We add all the numbers together, and all the variables

0.8x-0.4(x+40)-(-0.24)=0

We add all the numbers together, and all the variables

0.8x-0.4(x+40)+0.24=0

We multiply parentheses

0.8x-0.4x-16+0.24=0

We add all the numbers together, and all the variables

0.4x-15.76=0

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

0.4x=15.76

x=15.76/0.4

x=39+0.16/0.4

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