(x+4)2=7

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


Simplifying
(x + 4) * 2 = 7

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

Reorder the terms for easier multiplication:
2(4 + x) = 7
(4 * 2 + x * 2) = 7
(8 + 2x) = 7

Solving
8 + 2x = 7

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 2x = 7 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = 7 + -8
2x = 7 + -8

Combine like terms: 7 + -8 = -1
2x = -1

Divide each side by '2'.
x = -0.5

Simplifying
x = -0.5

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