u-3/4=21/3

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Solution for u-3/4=21/3 equation: 



u-3/4=21/3

We move all terms to the left:

u-3/4-(21/3)=0

We add all the numbers together, and all the variables

u-3/4-7=0

We add all the numbers together, and all the variables

u-7-3/4=0

We multiply all the terms by the denominator


u*4-3-7*4=0

We add all the numbers together, and all the variables

u*4-31=0

Wy multiply elements

4u-31=0

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

4u=31

u=31/4

u=7+3/4

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