[(3x+20)4]-1=5x+4

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Solution for [(3x+20)4]-1=5x+4 equation:


Simplifying
[(3x + 20) * 4] + -1 = 5x + 4

Reorder the terms:
[(20 + 3x) * 4] + -1 = 5x + 4

Reorder the terms for easier multiplication:
[4(20 + 3x)] + -1 = 5x + 4
[(20 * 4 + 3x * 4)] + -1 = 5x + 4
[(80 + 12x)] + -1 = 5x + 4
[80 + 12x] + -1 = 5x + 4

Remove brackets around [80 + 12x]
80 + 12x + -1 = 5x + 4

Reorder the terms:
80 + -1 + 12x = 5x + 4

Combine like terms: 80 + -1 = 79
79 + 12x = 5x + 4

Reorder the terms:
79 + 12x = 4 + 5x

Solving
79 + 12x = 4 + 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.
79 + 12x + -5x = 4 + 5x + -5x

Combine like terms: 12x + -5x = 7x
79 + 7x = 4 + 5x + -5x

Combine like terms: 5x + -5x = 0
79 + 7x = 4 + 0
79 + 7x = 4

Add '-79' to each side of the equation.
79 + -79 + 7x = 4 + -79

Combine like terms: 79 + -79 = 0
0 + 7x = 4 + -79
7x = 4 + -79

Combine like terms: 4 + -79 = -75
7x = -75

Divide each side by '7'.
x = -10.71428571

Simplifying
x = -10.71428571

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