.75(12-20x)=12-(3x-13)

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Solution for .75(12-20x)=12-(3x-13) equation:


Simplifying
0.75(12 + -20x) = 12 + -1(3x + -13)
(12 * 0.75 + -20x * 0.75) = 12 + -1(3x + -13)
(9 + -15x) = 12 + -1(3x + -13)

Reorder the terms:
9 + -15x = 12 + -1(-13 + 3x)
9 + -15x = 12 + (-13 * -1 + 3x * -1)
9 + -15x = 12 + (13 + -3x)

Combine like terms: 12 + 13 = 25
9 + -15x = 25 + -3x

Solving
9 + -15x = 25 + -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.
9 + -15x + 3x = 25 + -3x + 3x

Combine like terms: -15x + 3x = -12x
9 + -12x = 25 + -3x + 3x

Combine like terms: -3x + 3x = 0
9 + -12x = 25 + 0
9 + -12x = 25

Add '-9' to each side of the equation.
9 + -9 + -12x = 25 + -9

Combine like terms: 9 + -9 = 0
0 + -12x = 25 + -9
-12x = 25 + -9

Combine like terms: 25 + -9 = 16
-12x = 16

Divide each side by '-12'.
x = -1.333333333

Simplifying
x = -1.333333333

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