3x/5=21-2x

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



3x/5=21-2x
We move all terms to the left:
3x/5-(21-2x)=0
We add all the numbers together, and all the variables
3x/5-(-2x+21)=0
We get rid of parentheses
3x/5+2x-21=0
We multiply all the terms by the denominator
3x+2x*5-21*5=0
We add all the numbers together, and all the variables
3x+2x*5-105=0
Wy multiply elements
3x+10x-105=0
We add all the numbers together, and all the variables
13x-105=0
We move all terms containing x to the left, all other terms to the right
13x=105
x=105/13
x=8+1/13

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