-1=a/2+4

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Solution for -1=a/2+4 equation: 



-1=a/2+4

We move all terms to the left:

-1-(a/2+4)=0

We get rid of parentheses

-a/2-4-1=0

We multiply all the terms by the denominator


-a-4*2-1*2=0

We add all the numbers together, and all the variables

-1a-10=0

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

-a=10

a=10/-1

a=-10

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