18+3x=-15

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Solution for 18+3x=-15 equation: 


Simplifying
18 + 3x = -15

Solving
18 + 3x = -15

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 3x = -15 + -18

Combine like terms: 18 + -18 = 0
0 + 3x = -15 + -18
3x = -15 + -18

Combine like terms: -15 + -18 = -33
3x = -33

Divide each side by '3'.
x = -11

Simplifying
x = -11

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