3(2x+4)-4x=5(3x+20)

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Solution for 3(2x+4)-4x=5(3x+20) equation:


Simplifying
3(2x + 4) + -4x = 5(3x + 20)

Reorder the terms:
3(4 + 2x) + -4x = 5(3x + 20)
(4 * 3 + 2x * 3) + -4x = 5(3x + 20)
(12 + 6x) + -4x = 5(3x + 20)

Combine like terms: 6x + -4x = 2x
12 + 2x = 5(3x + 20)

Reorder the terms:
12 + 2x = 5(20 + 3x)
12 + 2x = (20 * 5 + 3x * 5)
12 + 2x = (100 + 15x)

Solving
12 + 2x = 100 + 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.
12 + 2x + -15x = 100 + 15x + -15x

Combine like terms: 2x + -15x = -13x
12 + -13x = 100 + 15x + -15x

Combine like terms: 15x + -15x = 0
12 + -13x = 100 + 0
12 + -13x = 100

Add '-12' to each side of the equation.
12 + -12 + -13x = 100 + -12

Combine like terms: 12 + -12 = 0
0 + -13x = 100 + -12
-13x = 100 + -12

Combine like terms: 100 + -12 = 88
-13x = 88

Divide each side by '-13'.
x = -6.769230769

Simplifying
x = -6.769230769

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