2(3)+9=a-10

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Solution for 2(3)+9=a-10 equation: 


Simplifying
2(3) + 9 = a + -10

Multiply 2 * 3
6 + 9 = a + -10

Combine like terms: 6 + 9 = 15
15 = a + -10

Reorder the terms:
15 = -10 + a

Solving
15 = -10 + a

Solving for variable 'a'.

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

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

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

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

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

Combine like terms: -10 + -15 = -25
-1a = -25

Divide each side by '-1'.
a = 25

Simplifying
a = 25

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