3x-4(-3x-9)=111

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Solution for 3x-4(-3x-9)=111 equation:


Simplifying
3x + -4(-3x + -9) = 111

Reorder the terms:
3x + -4(-9 + -3x) = 111
3x + (-9 * -4 + -3x * -4) = 111
3x + (36 + 12x) = 111

Reorder the terms:
36 + 3x + 12x = 111

Combine like terms: 3x + 12x = 15x
36 + 15x = 111

Solving
36 + 15x = 111

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 15x = 111 + -36

Combine like terms: 36 + -36 = 0
0 + 15x = 111 + -36
15x = 111 + -36

Combine like terms: 111 + -36 = 75
15x = 75

Divide each side by '15'.
x = 5

Simplifying
x = 5

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