3(x+8)+15=18

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Solution for 3(x+8)+15=18 equation:


Simplifying
3(x + 8) + 15 = 18

Reorder the terms:
3(8 + x) + 15 = 18
(8 * 3 + x * 3) + 15 = 18
(24 + 3x) + 15 = 18

Reorder the terms:
24 + 15 + 3x = 18

Combine like terms: 24 + 15 = 39
39 + 3x = 18

Solving
39 + 3x = 18

Solving for variable 'x'.

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

Add '-39' to each side of the equation.
39 + -39 + 3x = 18 + -39

Combine like terms: 39 + -39 = 0
0 + 3x = 18 + -39
3x = 18 + -39

Combine like terms: 18 + -39 = -21
3x = -21

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

Simplifying
x = -7

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