3a+13-6a=-9

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Solution for 3a+13-6a=-9 equation:


Simplifying
3a + 13 + -6a = -9

Reorder the terms:
13 + 3a + -6a = -9

Combine like terms: 3a + -6a = -3a
13 + -3a = -9

Solving
13 + -3a = -9

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + -3a = -9 + -13

Combine like terms: 13 + -13 = 0
0 + -3a = -9 + -13
-3a = -9 + -13

Combine like terms: -9 + -13 = -22
-3a = -22

Divide each side by '-3'.
a = 7.333333333

Simplifying
a = 7.333333333

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