x-5+x-7=100

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Solution for x-5+x-7=100 equation:


Simplifying
x + -5 + x + -7 = 100

Reorder the terms:
-5 + -7 + x + x = 100

Combine like terms: -5 + -7 = -12
-12 + x + x = 100

Combine like terms: x + x = 2x
-12 + 2x = 100

Solving
-12 + 2x = 100

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 2x = 100 + 12

Combine like terms: -12 + 12 = 0
0 + 2x = 100 + 12
2x = 100 + 12

Combine like terms: 100 + 12 = 112
2x = 112

Divide each side by '2'.
x = 56

Simplifying
x = 56

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