15=(5x-4)2

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Solution for 15=(5x-4)2 equation:


Simplifying
15 = (5x + -4) * 2

Reorder the terms:
15 = (-4 + 5x) * 2

Reorder the terms for easier multiplication:
15 = 2(-4 + 5x)
15 = (-4 * 2 + 5x * 2)
15 = (-8 + 10x)

Solving
15 = -8 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
15 + -10x = -8 + 10x + -10x

Combine like terms: 10x + -10x = 0
15 + -10x = -8 + 0
15 + -10x = -8

Add '-15' to each side of the equation.
15 + -15 + -10x = -8 + -15

Combine like terms: 15 + -15 = 0
0 + -10x = -8 + -15
-10x = -8 + -15

Combine like terms: -8 + -15 = -23
-10x = -23

Divide each side by '-10'.
x = 2.3

Simplifying
x = 2.3

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