3x-2+4x=-x+30

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Solution for 3x-2+4x=-x+30 equation: 



3x-2+4x=-x+30

We move all terms to the left:

3x-2+4x-(-x+30)=0

We add all the numbers together, and all the variables

3x+4x-(-1x+30)-2=0

We add all the numbers together, and all the variables

7x-(-1x+30)-2=0

We get rid of parentheses

7x+1x-30-2=0

We add all the numbers together, and all the variables

8x-32=0

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

8x=32

x=32/8

x=4

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