x+-4x=-18

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Solution for x+-4x=-18 equation:



x+-4x=-18
We move all terms to the left:
x+-4x-(-18)=0
We add all the numbers together, and all the variables
-3x+18=0
We move all terms containing x to the left, all other terms to the right
-3x=-18
x=-18/-3
x=+6

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