-3(4x+7)=(-3x-9)

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Solution for -3(4x+7)=(-3x-9) equation:


Simplifying
-3(4x + 7) = (-3x + -9)

Reorder the terms:
-3(7 + 4x) = (-3x + -9)
(7 * -3 + 4x * -3) = (-3x + -9)
(-21 + -12x) = (-3x + -9)

Reorder the terms:
-21 + -12x = (-9 + -3x)

Remove parenthesis around (-9 + -3x)
-21 + -12x = -9 + -3x

Solving
-21 + -12x = -9 + -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.
-21 + -12x + 3x = -9 + -3x + 3x

Combine like terms: -12x + 3x = -9x
-21 + -9x = -9 + -3x + 3x

Combine like terms: -3x + 3x = 0
-21 + -9x = -9 + 0
-21 + -9x = -9

Add '21' to each side of the equation.
-21 + 21 + -9x = -9 + 21

Combine like terms: -21 + 21 = 0
0 + -9x = -9 + 21
-9x = -9 + 21

Combine like terms: -9 + 21 = 12
-9x = 12

Divide each side by '-9'.
x = -1.333333333

Simplifying
x = -1.333333333

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