2a+-1=3.5a+-3

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Solution for 2a+-1=3.5a+-3 equation: 



2a+-1=3.5a+-3

We move all terms to the left:

2a+-1-(3.5a+-3)=0

We add all the numbers together, and all the variables

2a-(3.5a-3)-1+=0

We add all the numbers together, and all the variables

2a-(3.5a-3)=0

We get rid of parentheses

2a-3.5a+3=0

We add all the numbers together, and all the variables

-1.5a+3=0

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

-1.5a=-3

a=-3/-1.5

a=+2

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