(x-7)2-(1+x)2=2(3x-4)

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Solution for (x-7)2-(1+x)2=2(3x-4) equation:


Simplifying
(x + -7) * 2 + -1(1 + x) * 2 = 2(3x + -4)

Reorder the terms:
(-7 + x) * 2 + -1(1 + x) * 2 = 2(3x + -4)

Reorder the terms for easier multiplication:
2(-7 + x) + -1(1 + x) * 2 = 2(3x + -4)
(-7 * 2 + x * 2) + -1(1 + x) * 2 = 2(3x + -4)
(-14 + 2x) + -1(1 + x) * 2 = 2(3x + -4)

Reorder the terms for easier multiplication:
-14 + 2x + -1 * 2(1 + x) = 2(3x + -4)

Multiply -1 * 2
-14 + 2x + -2(1 + x) = 2(3x + -4)
-14 + 2x + (1 * -2 + x * -2) = 2(3x + -4)
-14 + 2x + (-2 + -2x) = 2(3x + -4)

Reorder the terms:
-14 + -2 + 2x + -2x = 2(3x + -4)

Combine like terms: -14 + -2 = -16
-16 + 2x + -2x = 2(3x + -4)

Combine like terms: 2x + -2x = 0
-16 + 0 = 2(3x + -4)
-16 = 2(3x + -4)

Reorder the terms:
-16 = 2(-4 + 3x)
-16 = (-4 * 2 + 3x * 2)
-16 = (-8 + 6x)

Solving
-16 = -8 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-16 + -6x = -8 + 6x + -6x

Combine like terms: 6x + -6x = 0
-16 + -6x = -8 + 0
-16 + -6x = -8

Add '16' to each side of the equation.
-16 + 16 + -6x = -8 + 16

Combine like terms: -16 + 16 = 0
0 + -6x = -8 + 16
-6x = -8 + 16

Combine like terms: -8 + 16 = 8
-6x = 8

Divide each side by '-6'.
x = -1.333333333

Simplifying
x = -1.333333333

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