15=6x-3(x+5)

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


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

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

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

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

Solving
15 = -15 + 3x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -15 + -15 = -30
-3x = -30

Divide each side by '-3'.
x = 10

Simplifying
x = 10

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