3x+5=21-1/2

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Solution for 3x+5=21-1/2 equation: 



3x+5=21-1/2

We move all terms to the left:

3x+5-(21-1/2)=0

We add all the numbers together, and all the variables

3x+5-(-1/2+21)=0

We get rid of parentheses

3x+5-21+1/2=0

We multiply all the terms by the denominator


3x*2+1+5*2-21*2=0

We add all the numbers together, and all the variables

3x*2-31=0

Wy multiply elements

6x-31=0

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

6x=31

x=31/6

x=5+1/6

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