(x+3)+(2x)+3=144

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Solution for (x+3)+(2x)+3=144 equation: 



(x+3)+(2x)+3=144

We move all terms to the left:

(x+3)+(2x)+3-(144)=0

We add all the numbers together, and all the variables

2x+(x+3)-141=0

We get rid of parentheses

2x+x+3-141=0

We add all the numbers together, and all the variables

3x-138=0

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

3x=138

x=138/3

x=46

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