a-45=100

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Solution for a-45=100 equation: 


Simplifying
a + -45 = 100

Reorder the terms:
-45 + a = 100

Solving
-45 + a = 100

Solving for variable 'a'.

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

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

Combine like terms: -45 + 45 = 0
0 + a = 100 + 45
a = 100 + 45

Combine like terms: 100 + 45 = 145
a = 145

Simplifying
a = 145

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