(X-7)2=100

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Solution for (X-7)2=100 equation:


Simplifying
(X + -7) * 2 = 100

Reorder the terms:
(-7 + X) * 2 = 100

Reorder the terms for easier multiplication:
2(-7 + X) = 100
(-7 * 2 + X * 2) = 100
(-14 + 2X) = 100

Solving
-14 + 2X = 100

Solving for variable 'X'.

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

Add '14' to each side of the equation.
-14 + 14 + 2X = 100 + 14

Combine like terms: -14 + 14 = 0
0 + 2X = 100 + 14
2X = 100 + 14

Combine like terms: 100 + 14 = 114
2X = 114

Divide each side by '2'.
X = 57

Simplifying
X = 57

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