10a+10=9a+15

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Solution for 10a+10=9a+15 equation: 


Simplifying
10a + 10 = 9a + 15

Reorder the terms:
10 + 10a = 9a + 15

Reorder the terms:
10 + 10a = 15 + 9a

Solving
10 + 10a = 15 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
10 + 10a + -9a = 15 + 9a + -9a

Combine like terms: 10a + -9a = 1a
10 + 1a = 15 + 9a + -9a

Combine like terms: 9a + -9a = 0
10 + 1a = 15 + 0
10 + 1a = 15

Add '-10' to each side of the equation.
10 + -10 + 1a = 15 + -10

Combine like terms: 10 + -10 = 0
0 + 1a = 15 + -10
1a = 15 + -10

Combine like terms: 15 + -10 = 5
1a = 5

Divide each side by '1'.
a = 5

Simplifying
a = 5

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