100+20a=220

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Solution for 100+20a=220 equation: 


Simplifying
100 + 20a = 220

Solving
100 + 20a = 220

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 + 20a = 220 + -100

Combine like terms: 100 + -100 = 0
0 + 20a = 220 + -100
20a = 220 + -100

Combine like terms: 220 + -100 = 120
20a = 120

Divide each side by '20'.
a = 6

Simplifying
a = 6

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