0.85x+0.05(4-x)=0.10(-78)

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Solution for 0.85x+0.05(4-x)=0.10(-78) equation: 



0.85x+0.05(4-x)=0.10(-78)

We move all terms to the left:

0.85x+0.05(4-x)-(0.10(-78))=0

We add all the numbers together, and all the variables

0.85x+0.05(-1x+4)-(0.10(-78))=0

We add all the numbers together, and all the variables

0.85x+0.05(-1x+4)+7.8=0

We multiply parentheses

0.85x-0.05x+0.2+7.8=0

We add all the numbers together, and all the variables

0.8x+8=0

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

0.8x=-8

x=-8/0.8

x=-10

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