a+100=300

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Solution for a+100=300 equation: 


Simplifying
a + 100 = 300

Reorder the terms:
100 + a = 300

Solving
100 + a = 300

Solving for variable 'a'.

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

Add '-100' to each side of the equation.
100 + -100 + a = 300 + -100

Combine like terms: 100 + -100 = 0
0 + a = 300 + -100
a = 300 + -100

Combine like terms: 300 + -100 = 200
a = 200

Simplifying
a = 200

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