-16-12a-13a=-9

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Solution for -16-12a-13a=-9 equation:


Simplifying
-16 + -12a + -13a = -9

Combine like terms: -12a + -13a = -25a
-16 + -25a = -9

Solving
-16 + -25a = -9

Solving for variable 'a'.

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

Add '16' to each side of the equation.
-16 + 16 + -25a = -9 + 16

Combine like terms: -16 + 16 = 0
0 + -25a = -9 + 16
-25a = -9 + 16

Combine like terms: -9 + 16 = 7
-25a = 7

Divide each side by '-25'.
a = -0.28

Simplifying
a = -0.28

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