120+0.40x=30-0.70x

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Solution for 120+0.40x=30-0.70x equation: 



120+0.40x=30-0.70x

We move all terms to the left:

120+0.40x-(30-0.70x)=0

We add all the numbers together, and all the variables

0.40x-(-0.7x+30)+120=0

We get rid of parentheses

0.40x+0.7x-30+120=0

We add all the numbers together, and all the variables

1.1x+90=0

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

1.1x=-90

x=-90/1.1

x=-81+0.89999999999999/1.1

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