21x+6=7x+13

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Solution for 21x+6=7x+13 equation:



21x+6=7x+13
We move all terms to the left:
21x+6-(7x+13)=0
We get rid of parentheses
21x-7x-13+6=0
We add all the numbers together, and all the variables
14x-7=0
We move all terms containing x to the left, all other terms to the right
14x=7
x=7/14
x=1/2

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