-3x-4(3x+3)=123

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Solution for -3x-4(3x+3)=123 equation:


Simplifying
-3x + -4(3x + 3) = 123

Reorder the terms:
-3x + -4(3 + 3x) = 123
-3x + (3 * -4 + 3x * -4) = 123
-3x + (-12 + -12x) = 123

Reorder the terms:
-12 + -3x + -12x = 123

Combine like terms: -3x + -12x = -15x
-12 + -15x = 123

Solving
-12 + -15x = 123

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + -15x = 123 + 12

Combine like terms: -12 + 12 = 0
0 + -15x = 123 + 12
-15x = 123 + 12

Combine like terms: 123 + 12 = 135
-15x = 135

Divide each side by '-15'.
x = -9

Simplifying
x = -9

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