9+11a=21+-5a

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Solution for 9+11a=21+-5a equation:


Simplifying
9 + 11a = 21 + -5a

Solving
9 + 11a = 21 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
9 + 11a + 5a = 21 + -5a + 5a

Combine like terms: 11a + 5a = 16a
9 + 16a = 21 + -5a + 5a

Combine like terms: -5a + 5a = 0
9 + 16a = 21 + 0
9 + 16a = 21

Add '-9' to each side of the equation.
9 + -9 + 16a = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 16a = 21 + -9
16a = 21 + -9

Combine like terms: 21 + -9 = 12
16a = 12

Divide each side by '16'.
a = 0.75

Simplifying
a = 0.75

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