1-5a-10=9+a

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Solution for 1-5a-10=9+a equation:


Simplifying
1 + -5a + -10 = 9 + a

Reorder the terms:
1 + -10 + -5a = 9 + a

Combine like terms: 1 + -10 = -9
-9 + -5a = 9 + a

Solving
-9 + -5a = 9 + 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.
-9 + -5a + -1a = 9 + a + -1a

Combine like terms: -5a + -1a = -6a
-9 + -6a = 9 + a + -1a

Combine like terms: a + -1a = 0
-9 + -6a = 9 + 0
-9 + -6a = 9

Add '9' to each side of the equation.
-9 + 9 + -6a = 9 + 9

Combine like terms: -9 + 9 = 0
0 + -6a = 9 + 9
-6a = 9 + 9

Combine like terms: 9 + 9 = 18
-6a = 18

Divide each side by '-6'.
a = -3

Simplifying
a = -3

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