-3(x+5)-6=-15

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Solution for -3(x+5)-6=-15 equation:


Simplifying
-3(x + 5) + -6 = -15

Reorder the terms:
-3(5 + x) + -6 = -15
(5 * -3 + x * -3) + -6 = -15
(-15 + -3x) + -6 = -15

Reorder the terms:
-15 + -6 + -3x = -15

Combine like terms: -15 + -6 = -21
-21 + -3x = -15

Solving
-21 + -3x = -15

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -3x = -15 + 21

Combine like terms: -21 + 21 = 0
0 + -3x = -15 + 21
-3x = -15 + 21

Combine like terms: -15 + 21 = 6
-3x = 6

Divide each side by '-3'.
x = -2

Simplifying
x = -2

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