15x-4=10x+21

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Solution for 15x-4=10x+21 equation: 



15x-4=10x+21

We move all terms to the left:

15x-4-(10x+21)=0

We get rid of parentheses

15x-10x-21-4=0

We add all the numbers together, and all the variables

5x-25=0

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

5x=25

x=25/5

x=5

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