a=4-5-1/2

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Solution for a=4-5-1/2 equation: 



a=4-5-1/2

We move all terms to the left:

a-(4-5-1/2)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

a+1+1/2=0

We multiply all the terms by the denominator


a*2+1+1*2=0

We add all the numbers together, and all the variables

a*2+3=0

Wy multiply elements

2a+3=0

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

2a=-3

a=-3/2

a=-1+1/2

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