-3+(-3x)=18

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


Simplifying
-3 + (-3x) = 18

Solving
-3 + (-3x) = 18

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3' to each side of the equation.
-3 + 3 + (-3x) = 18 + 3

Combine like terms: -3 + 3 = 0
0 + (-3x) = 18 + 3
(-3x) = 18 + 3

Combine like terms: 18 + 3 = 21
(-3x) = 21

Divide each side by '-3'.
x = -7

Simplifying
x = -7

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