-21-6x=-6x-3(-8+5x)

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Solution for -21-6x=-6x-3(-8+5x) equation:


Simplifying
-21 + -6x = -6x + -3(-8 + 5x)
-21 + -6x = -6x + (-8 * -3 + 5x * -3)
-21 + -6x = -6x + (24 + -15x)

Reorder the terms:
-21 + -6x = 24 + -6x + -15x

Combine like terms: -6x + -15x = -21x
-21 + -6x = 24 + -21x

Solving
-21 + -6x = 24 + -21x

Solving for variable 'x'.

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

Add '21x' to each side of the equation.
-21 + -6x + 21x = 24 + -21x + 21x

Combine like terms: -6x + 21x = 15x
-21 + 15x = 24 + -21x + 21x

Combine like terms: -21x + 21x = 0
-21 + 15x = 24 + 0
-21 + 15x = 24

Add '21' to each side of the equation.
-21 + 21 + 15x = 24 + 21

Combine like terms: -21 + 21 = 0
0 + 15x = 24 + 21
15x = 24 + 21

Combine like terms: 24 + 21 = 45
15x = 45

Divide each side by '15'.
x = 3

Simplifying
x = 3

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