a+9=10+8

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Solution for a+9=10+8 equation: 


Simplifying
a + 9 = 10 + 8

Reorder the terms:
9 + a = 10 + 8

Combine like terms: 10 + 8 = 18
9 + a = 18

Solving
9 + a = 18

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 + a = 18 + -9

Combine like terms: 9 + -9 = 0
0 + a = 18 + -9
a = 18 + -9

Combine like terms: 18 + -9 = 9
a = 9

Simplifying
a = 9

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