3(4x-5)/8+6=21

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Solution for 3(4x-5)/8+6=21 equation: 



3(4x-5)/8+6=21

We move all terms to the left:

3(4x-5)/8+6-(21)=0

We add all the numbers together, and all the variables

3(4x-5)/8-15=0

We multiply all the terms by the denominator


3(4x-5)-15*8=0

We add all the numbers together, and all the variables

3(4x-5)-120=0

We multiply parentheses

12x-15-120=0

We add all the numbers together, and all the variables

12x-135=0

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

12x=135

x=135/12

x=11+1/4

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