10a+9=109

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Solution for 10a+9=109 equation: 


Simplifying
10a + 9 = 109

Reorder the terms:
9 + 10a = 109

Solving
9 + 10a = 109

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + 10a = 109 + -9

Combine like terms: 9 + -9 = 0
0 + 10a = 109 + -9
10a = 109 + -9

Combine like terms: 109 + -9 = 100
10a = 100

Divide each side by '10'.
a = 10

Simplifying
a = 10

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