-31/2+-1x=-71/2

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Solution for -31/2+-1x=-71/2 equation: 



-31/2+-1x=-71/2

We move all terms to the left:

-31/2+-1x-(-71/2)=0

We add all the numbers together, and all the variables

-1x-31/2-(-71/2)=0

We get rid of parentheses

-1x-31/2+71/2=0

We multiply all the terms by the denominator


-1x*2-31+71=0

We add all the numbers together, and all the variables

-1x*2+40=0

Wy multiply elements

-2x+40=0

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

-2x=-40

x=-40/-2

x=+20

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