(1+2)x=135

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Solution for (1+2)x=135 equation: 



(1+2)x=135

We move all terms to the left:

(1+2)x-(135)=0

We add all the numbers together, and all the variables

3x-135=0

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

3x=135

x=135/3

x=45

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