12a=19a-15-20

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Solution for 12a=19a-15-20 equation:


Simplifying
12a = 19a + -15 + -20

Reorder the terms:
12a = -15 + -20 + 19a

Combine like terms: -15 + -20 = -35
12a = -35 + 19a

Solving
12a = -35 + 19a

Solving for variable 'a'.

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

Add '-19a' to each side of the equation.
12a + -19a = -35 + 19a + -19a

Combine like terms: 12a + -19a = -7a
-7a = -35 + 19a + -19a

Combine like terms: 19a + -19a = 0
-7a = -35 + 0
-7a = -35

Divide each side by '-7'.
a = 5

Simplifying
a = 5

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