21(2-a)+12a=44

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Solution for 21(2-a)+12a=44 equation:


Simplifying
21(2 + -1a) + 12a = 44
(2 * 21 + -1a * 21) + 12a = 44
(42 + -21a) + 12a = 44

Combine like terms: -21a + 12a = -9a
42 + -9a = 44

Solving
42 + -9a = 44

Solving for variable 'a'.

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

Add '-42' to each side of the equation.
42 + -42 + -9a = 44 + -42

Combine like terms: 42 + -42 = 0
0 + -9a = 44 + -42
-9a = 44 + -42

Combine like terms: 44 + -42 = 2
-9a = 2

Divide each side by '-9'.
a = -0.2222222222

Simplifying
a = -0.2222222222

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