12x-48=20x-40-(15x-45)

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Solution for 12x-48=20x-40-(15x-45) equation:


Simplifying
12x + -48 = 20x + -40 + -1(15x + -45)

Reorder the terms:
-48 + 12x = 20x + -40 + -1(15x + -45)

Reorder the terms:
-48 + 12x = 20x + -40 + -1(-45 + 15x)
-48 + 12x = 20x + -40 + (-45 * -1 + 15x * -1)
-48 + 12x = 20x + -40 + (45 + -15x)

Reorder the terms:
-48 + 12x = -40 + 45 + 20x + -15x

Combine like terms: -40 + 45 = 5
-48 + 12x = 5 + 20x + -15x

Combine like terms: 20x + -15x = 5x
-48 + 12x = 5 + 5x

Solving
-48 + 12x = 5 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-48 + 12x + -5x = 5 + 5x + -5x

Combine like terms: 12x + -5x = 7x
-48 + 7x = 5 + 5x + -5x

Combine like terms: 5x + -5x = 0
-48 + 7x = 5 + 0
-48 + 7x = 5

Add '48' to each side of the equation.
-48 + 48 + 7x = 5 + 48

Combine like terms: -48 + 48 = 0
0 + 7x = 5 + 48
7x = 5 + 48

Combine like terms: 5 + 48 = 53
7x = 53

Divide each side by '7'.
x = 7.571428571

Simplifying
x = 7.571428571

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