45=12x+3(x-8)-6

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Solution for 45=12x+3(x-8)-6 equation:


Simplifying
45 = 12x + 3(x + -8) + -6

Reorder the terms:
45 = 12x + 3(-8 + x) + -6
45 = 12x + (-8 * 3 + x * 3) + -6
45 = 12x + (-24 + 3x) + -6

Reorder the terms:
45 = -24 + -6 + 12x + 3x

Combine like terms: -24 + -6 = -30
45 = -30 + 12x + 3x

Combine like terms: 12x + 3x = 15x
45 = -30 + 15x

Solving
45 = -30 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
45 + -15x = -30 + 15x + -15x

Combine like terms: 15x + -15x = 0
45 + -15x = -30 + 0
45 + -15x = -30

Add '-45' to each side of the equation.
45 + -45 + -15x = -30 + -45

Combine like terms: 45 + -45 = 0
0 + -15x = -30 + -45
-15x = -30 + -45

Combine like terms: -30 + -45 = -75
-15x = -75

Divide each side by '-15'.
x = 5

Simplifying
x = 5

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