(4x-30)+3x=180

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Solution for (4x-30)+3x=180 equation: 



(4x-30)+3x=180

We move all terms to the left:

(4x-30)+3x-(180)=0

We add all the numbers together, and all the variables

3x+(4x-30)-180=0

We get rid of parentheses

3x+4x-30-180=0

We add all the numbers together, and all the variables

7x-210=0

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

7x=210

x=210/7

x=30

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