6x+13=4x+21

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Solution for 6x+13=4x+21 equation:



6x+13=4x+21
We move all terms to the left:
6x+13-(4x+21)=0
We get rid of parentheses
6x-4x-21+13=0
We add all the numbers together, and all the variables
2x-8=0
We move all terms containing x to the left, all other terms to the right
2x=8
x=8/2
x=4

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