12a+8=5a+15

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Solution for 12a+8=5a+15 equation:


Simplifying
12a + 8 = 5a + 15

Reorder the terms:
8 + 12a = 5a + 15

Reorder the terms:
8 + 12a = 15 + 5a

Solving
8 + 12a = 15 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
8 + 12a + -5a = 15 + 5a + -5a

Combine like terms: 12a + -5a = 7a
8 + 7a = 15 + 5a + -5a

Combine like terms: 5a + -5a = 0
8 + 7a = 15 + 0
8 + 7a = 15

Add '-8' to each side of the equation.
8 + -8 + 7a = 15 + -8

Combine like terms: 8 + -8 = 0
0 + 7a = 15 + -8
7a = 15 + -8

Combine like terms: 15 + -8 = 7
7a = 7

Divide each side by '7'.
a = 1

Simplifying
a = 1

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