-2(2x+4)2-5=-7

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Solution for -2(2x+4)2-5=-7 equation:


Simplifying
-2(2x + 4) * 2 + -5 = -7

Reorder the terms:
-2(4 + 2x) * 2 + -5 = -7

Reorder the terms for easier multiplication:
-2 * 2(4 + 2x) + -5 = -7

Multiply -2 * 2
-4(4 + 2x) + -5 = -7
(4 * -4 + 2x * -4) + -5 = -7
(-16 + -8x) + -5 = -7

Reorder the terms:
-16 + -5 + -8x = -7

Combine like terms: -16 + -5 = -21
-21 + -8x = -7

Solving
-21 + -8x = -7

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -8x = -7 + 21

Combine like terms: -21 + 21 = 0
0 + -8x = -7 + 21
-8x = -7 + 21

Combine like terms: -7 + 21 = 14
-8x = 14

Divide each side by '-8'.
x = -1.75

Simplifying
x = -1.75

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