100=a+25

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Solution for 100=a+25 equation:


Simplifying
100 = a + 25

Reorder the terms:
100 = 25 + a

Solving
100 = 25 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
100 + -1a = 25 + a + -1a

Combine like terms: a + -1a = 0
100 + -1a = 25 + 0
100 + -1a = 25

Add '-100' to each side of the equation.
100 + -100 + -1a = 25 + -100

Combine like terms: 100 + -100 = 0
0 + -1a = 25 + -100
-1a = 25 + -100

Combine like terms: 25 + -100 = -75
-1a = -75

Divide each side by '-1'.
a = 75

Simplifying
a = 75

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