100+.89a=.99a

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Solution for 100+.89a=.99a equation:


Simplifying
100 + 0.89a = 0.99a

Solving
100 + 0.89a = 0.99a

Solving for variable 'a'.

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

Add '-0.99a' to each side of the equation.
100 + 0.89a + -0.99a = 0.99a + -0.99a

Combine like terms: 0.89a + -0.99a = -0.1a
100 + -0.1a = 0.99a + -0.99a

Combine like terms: 0.99a + -0.99a = 0.00
100 + -0.1a = 0.00

Add '-100' to each side of the equation.
100 + -100 + -0.1a = 0.00 + -100

Combine like terms: 100 + -100 = 0
0 + -0.1a = 0.00 + -100
-0.1a = 0.00 + -100

Combine like terms: 0.00 + -100 = -100
-0.1a = -100

Divide each side by '-0.1'.
a = 1000

Simplifying
a = 1000

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