3(2x+5)-9=4x+12

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Solution for 3(2x+5)-9=4x+12 equation: 



3(2x+5)-9=4x+12

We move all terms to the left:

3(2x+5)-9-(4x+12)=0

We multiply parentheses

6x-(4x+12)+15-9=0

We get rid of parentheses

6x-4x-12+15-9=0

We add all the numbers together, and all the variables

2x-6=0

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

2x=6

x=6/2

x=3

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