3(5x-1)-6(2x+3)=-21

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Solution for 3(5x-1)-6(2x+3)=-21 equation:


Simplifying
3(5x + -1) + -6(2x + 3) = -21

Reorder the terms:
3(-1 + 5x) + -6(2x + 3) = -21
(-1 * 3 + 5x * 3) + -6(2x + 3) = -21
(-3 + 15x) + -6(2x + 3) = -21

Reorder the terms:
-3 + 15x + -6(3 + 2x) = -21
-3 + 15x + (3 * -6 + 2x * -6) = -21
-3 + 15x + (-18 + -12x) = -21

Reorder the terms:
-3 + -18 + 15x + -12x = -21

Combine like terms: -3 + -18 = -21
-21 + 15x + -12x = -21

Combine like terms: 15x + -12x = 3x
-21 + 3x = -21

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

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

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

Solving
3x = 0

Solving for variable 'x'.

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

Divide each side by '3'.
x = 0

Simplifying
x = 0

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