-45=-3(4x+3)

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Solution for -45=-3(4x+3) equation:


Simplifying
-45 = -3(4x + 3)

Reorder the terms:
-45 = -3(3 + 4x)
-45 = (3 * -3 + 4x * -3)
-45 = (-9 + -12x)

Solving
-45 = -9 + -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.
-45 + 12x = -9 + -12x + 12x

Combine like terms: -12x + 12x = 0
-45 + 12x = -9 + 0
-45 + 12x = -9

Add '45' to each side of the equation.
-45 + 45 + 12x = -9 + 45

Combine like terms: -45 + 45 = 0
0 + 12x = -9 + 45
12x = -9 + 45

Combine like terms: -9 + 45 = 36
12x = 36

Divide each side by '12'.
x = 3

Simplifying
x = 3

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