a+3/4=21/4

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Solution for a+3/4=21/4 equation: 



a+3/4=21/4

We move all terms to the left:

a+3/4-(21/4)=0

We add all the numbers together, and all the variables

a+3/4-(+21/4)=0

We get rid of parentheses

a+3/4-21/4=0

We multiply all the terms by the denominator


a*4+3-21=0

We add all the numbers together, and all the variables

a*4-18=0

Wy multiply elements

4a-18=0

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

4a=18

a=18/4

a=4+1/2

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