21x-13x=36

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Solution for 21x-13x=36 equation: 



21x-13x=36

We move all terms to the left:

21x-13x-(36)=0

We add all the numbers together, and all the variables

8x-36=0

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

8x=36

x=36/8

x=4+1/2

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