2a-12+a+9=a+49

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Solution for 2a-12+a+9=a+49 equation:


Simplifying
2a + -12 + a + 9 = a + 49

Reorder the terms:
-12 + 9 + 2a + a = a + 49

Combine like terms: -12 + 9 = -3
-3 + 2a + a = a + 49

Combine like terms: 2a + a = 3a
-3 + 3a = a + 49

Reorder the terms:
-3 + 3a = 49 + a

Solving
-3 + 3a = 49 + 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.
-3 + 3a + -1a = 49 + a + -1a

Combine like terms: 3a + -1a = 2a
-3 + 2a = 49 + a + -1a

Combine like terms: a + -1a = 0
-3 + 2a = 49 + 0
-3 + 2a = 49

Add '3' to each side of the equation.
-3 + 3 + 2a = 49 + 3

Combine like terms: -3 + 3 = 0
0 + 2a = 49 + 3
2a = 49 + 3

Combine like terms: 49 + 3 = 52
2a = 52

Divide each side by '2'.
a = 26

Simplifying
a = 26

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