4x-15+13=21

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Solution for 4x-15+13=21 equation: 



4x-15+13=21

We move all terms to the left:

4x-15+13-(21)=0

We add all the numbers together, and all the variables

4x-23=0

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

4x=23

x=23/4

x=5+3/4

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