15+3(-3x-4)=84

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Solution for 15+3(-3x-4)=84 equation:


Simplifying
15 + 3(-3x + -4) = 84

Reorder the terms:
15 + 3(-4 + -3x) = 84
15 + (-4 * 3 + -3x * 3) = 84
15 + (-12 + -9x) = 84

Combine like terms: 15 + -12 = 3
3 + -9x = 84

Solving
3 + -9x = 84

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 + -9x = 84 + -3

Combine like terms: 3 + -3 = 0
0 + -9x = 84 + -3
-9x = 84 + -3

Combine like terms: 84 + -3 = 81
-9x = 81

Divide each side by '-9'.
x = -9

Simplifying
x = -9

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