2(5-3a)+9a=28

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Solution for 2(5-3a)+9a=28 equation:


Simplifying
2(5 + -3a) + 9a = 28
(5 * 2 + -3a * 2) + 9a = 28
(10 + -6a) + 9a = 28

Combine like terms: -6a + 9a = 3a
10 + 3a = 28

Solving
10 + 3a = 28

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 3a = 28 + -10

Combine like terms: 10 + -10 = 0
0 + 3a = 28 + -10
3a = 28 + -10

Combine like terms: 28 + -10 = 18
3a = 18

Divide each side by '3'.
a = 6

Simplifying
a = 6

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