40=31.7+y*

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Solution for 40=31.7+y* equation: 



40=31.7+y*

We move all terms to the left:

40-(31.7+y*)=0

We add all the numbers together, and all the variables

-(y*+31.7)+40=0

We get rid of parentheses

-y*-31.7+40=0

We add all the numbers together, and all the variables

-y*+8.3=0

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

-y*=-8.3

y=-8.3/1

y=-8.3

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