(3(7x+20)-4)2=(6x-3)2

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Solution for (3(7x+20)-4)2=(6x-3)2 equation:


Simplifying
(3(7x + 20) + -4) * 2 = (6x + -3) * 2

Reorder the terms:
(3(20 + 7x) + -4) * 2 = (6x + -3) * 2
((20 * 3 + 7x * 3) + -4) * 2 = (6x + -3) * 2
((60 + 21x) + -4) * 2 = (6x + -3) * 2

Reorder the terms:
(60 + -4 + 21x) * 2 = (6x + -3) * 2

Combine like terms: 60 + -4 = 56
(56 + 21x) * 2 = (6x + -3) * 2

Reorder the terms for easier multiplication:
2(56 + 21x) = (6x + -3) * 2
(56 * 2 + 21x * 2) = (6x + -3) * 2
(112 + 42x) = (6x + -3) * 2

Reorder the terms:
112 + 42x = (-3 + 6x) * 2

Reorder the terms for easier multiplication:
112 + 42x = 2(-3 + 6x)
112 + 42x = (-3 * 2 + 6x * 2)
112 + 42x = (-6 + 12x)

Solving
112 + 42x = -6 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
112 + 42x + -12x = -6 + 12x + -12x

Combine like terms: 42x + -12x = 30x
112 + 30x = -6 + 12x + -12x

Combine like terms: 12x + -12x = 0
112 + 30x = -6 + 0
112 + 30x = -6

Add '-112' to each side of the equation.
112 + -112 + 30x = -6 + -112

Combine like terms: 112 + -112 = 0
0 + 30x = -6 + -112
30x = -6 + -112

Combine like terms: -6 + -112 = -118
30x = -118

Divide each side by '30'.
x = -3.933333333

Simplifying
x = -3.933333333

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