12a+19=13a-15

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Solution for 12a+19=13a-15 equation:


Simplifying
12a + 19 = 13a + -15

Reorder the terms:
19 + 12a = 13a + -15

Reorder the terms:
19 + 12a = -15 + 13a

Solving
19 + 12a = -15 + 13a

Solving for variable 'a'.

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

Add '-13a' to each side of the equation.
19 + 12a + -13a = -15 + 13a + -13a

Combine like terms: 12a + -13a = -1a
19 + -1a = -15 + 13a + -13a

Combine like terms: 13a + -13a = 0
19 + -1a = -15 + 0
19 + -1a = -15

Add '-19' to each side of the equation.
19 + -19 + -1a = -15 + -19

Combine like terms: 19 + -19 = 0
0 + -1a = -15 + -19
-1a = -15 + -19

Combine like terms: -15 + -19 = -34
-1a = -34

Divide each side by '-1'.
a = 34

Simplifying
a = 34

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