3x-(-4x)-4=-18

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Solution for 3x-(-4x)-4=-18 equation: 



3x-(-4x)-4=-18

We move all terms to the left:

3x-(-4x)-4-(-18)=0

We add all the numbers together, and all the variables

3x-(-4x)+14=0

We get rid of parentheses

3x+4x+14=0

We add all the numbers together, and all the variables

7x+14=0

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

7x=-14

x=-14/7

x=-2

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