3(2x-5)+2x+18=5x+21

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Solution for 3(2x-5)+2x+18=5x+21 equation: 



3(2x-5)+2x+18=5x+21

We move all terms to the left:

3(2x-5)+2x+18-(5x+21)=0

We add all the numbers together, and all the variables

2x+3(2x-5)-(5x+21)+18=0

We multiply parentheses

2x+6x-(5x+21)-15+18=0

We get rid of parentheses

2x+6x-5x-21-15+18=0

We add all the numbers together, and all the variables

3x-18=0

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

3x=18

x=18/3

x=6

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