2(a+7)=9

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Solution for 2(a+7)=9 equation: 


Simplifying
2(a + 7) = 9

Reorder the terms:
2(7 + a) = 9
(7 * 2 + a * 2) = 9
(14 + 2a) = 9

Solving
14 + 2a = 9

Solving for variable 'a'.

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

Add '-14' to each side of the equation.
14 + -14 + 2a = 9 + -14

Combine like terms: 14 + -14 = 0
0 + 2a = 9 + -14
2a = 9 + -14

Combine like terms: 9 + -14 = -5
2a = -5

Divide each side by '2'.
a = -2.5

Simplifying
a = -2.5

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