100=X-45

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Solution for 100=X-45 equation:


Simplifying
100 = X + -45

Reorder the terms:
100 = -45 + X

Solving
100 = -45 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
100 + -1X = -45 + X + -1X

Combine like terms: X + -1X = 0
100 + -1X = -45 + 0
100 + -1X = -45

Add '-100' to each side of the equation.
100 + -100 + -1X = -45 + -100

Combine like terms: 100 + -100 = 0
0 + -1X = -45 + -100
-1X = -45 + -100

Combine like terms: -45 + -100 = -145
-1X = -145

Divide each side by '-1'.
X = 145

Simplifying
X = 145

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