-2a+5=21/2

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Solution for -2a+5=21/2 equation: 



-2a+5=21/2

We move all terms to the left:

-2a+5-(21/2)=0

We add all the numbers together, and all the variables

-2a+5-(+21/2)=0

We get rid of parentheses

-2a+5-21/2=0

We multiply all the terms by the denominator


-2a*2-21+5*2=0

We add all the numbers together, and all the variables

-2a*2-11=0

Wy multiply elements

-4a-11=0

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

-4a=11

a=11/-4

a=-2+3/4

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