(2x-3)2-(x+5)2=-23

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Solution for (2x-3)2-(x+5)2=-23 equation:


Simplifying
(2x + -3) * 2 + -1(x + 5) * 2 = -23

Reorder the terms:
(-3 + 2x) * 2 + -1(x + 5) * 2 = -23

Reorder the terms for easier multiplication:
2(-3 + 2x) + -1(x + 5) * 2 = -23
(-3 * 2 + 2x * 2) + -1(x + 5) * 2 = -23
(-6 + 4x) + -1(x + 5) * 2 = -23

Reorder the terms:
-6 + 4x + -1(5 + x) * 2 = -23

Reorder the terms for easier multiplication:
-6 + 4x + -1 * 2(5 + x) = -23

Multiply -1 * 2
-6 + 4x + -2(5 + x) = -23
-6 + 4x + (5 * -2 + x * -2) = -23
-6 + 4x + (-10 + -2x) = -23

Reorder the terms:
-6 + -10 + 4x + -2x = -23

Combine like terms: -6 + -10 = -16
-16 + 4x + -2x = -23

Combine like terms: 4x + -2x = 2x
-16 + 2x = -23

Solving
-16 + 2x = -23

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 2x = -23 + 16

Combine like terms: -16 + 16 = 0
0 + 2x = -23 + 16
2x = -23 + 16

Combine like terms: -23 + 16 = -7
2x = -7

Divide each side by '2'.
x = -3.5

Simplifying
x = -3.5

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