0.4a+0.5=-17.5-1.4a

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Solution for 0.4a+0.5=-17.5-1.4a equation: 



0.4a+0.5=-17.5-1.4a

We move all terms to the left:

0.4a+0.5-(-17.5-1.4a)=0

We add all the numbers together, and all the variables

0.4a-(-1.4a-17.5)+0.5=0

We get rid of parentheses

0.4a+1.4a+17.5+0.5=0

We add all the numbers together, and all the variables

1.8a+18=0

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

1.8a=-18

a=-18/1.8

a=-10

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