-6x-7(x+3)=-3(4x+6)

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Solution for -6x-7(x+3)=-3(4x+6) equation:


Simplifying
-6x + -7(x + 3) = -3(4x + 6)

Reorder the terms:
-6x + -7(3 + x) = -3(4x + 6)
-6x + (3 * -7 + x * -7) = -3(4x + 6)
-6x + (-21 + -7x) = -3(4x + 6)

Reorder the terms:
-21 + -6x + -7x = -3(4x + 6)

Combine like terms: -6x + -7x = -13x
-21 + -13x = -3(4x + 6)

Reorder the terms:
-21 + -13x = -3(6 + 4x)
-21 + -13x = (6 * -3 + 4x * -3)
-21 + -13x = (-18 + -12x)

Solving
-21 + -13x = -18 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
-21 + -13x + 12x = -18 + -12x + 12x

Combine like terms: -13x + 12x = -1x
-21 + -1x = -18 + -12x + 12x

Combine like terms: -12x + 12x = 0
-21 + -1x = -18 + 0
-21 + -1x = -18

Add '21' to each side of the equation.
-21 + 21 + -1x = -18 + 21

Combine like terms: -21 + 21 = 0
0 + -1x = -18 + 21
-1x = -18 + 21

Combine like terms: -18 + 21 = 3
-1x = 3

Divide each side by '-1'.
x = -3

Simplifying
x = -3

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