9a+12=15+16a

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Solution for 9a+12=15+16a equation:


Simplifying
9a + 12 = 15 + 16a

Reorder the terms:
12 + 9a = 15 + 16a

Solving
12 + 9a = 15 + 16a

Solving for variable 'a'.

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

Add '-16a' to each side of the equation.
12 + 9a + -16a = 15 + 16a + -16a

Combine like terms: 9a + -16a = -7a
12 + -7a = 15 + 16a + -16a

Combine like terms: 16a + -16a = 0
12 + -7a = 15 + 0
12 + -7a = 15

Add '-12' to each side of the equation.
12 + -12 + -7a = 15 + -12

Combine like terms: 12 + -12 = 0
0 + -7a = 15 + -12
-7a = 15 + -12

Combine like terms: 15 + -12 = 3
-7a = 3

Divide each side by '-7'.
a = -0.4285714286

Simplifying
a = -0.4285714286

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