7(a+8)=9

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Solution for 7(a+8)=9 equation: 


Simplifying
7(a + 8) = 9

Reorder the terms:
7(8 + a) = 9
(8 * 7 + a * 7) = 9
(56 + 7a) = 9

Solving
56 + 7a = 9

Solving for variable 'a'.

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

Add '-56' to each side of the equation.
56 + -56 + 7a = 9 + -56

Combine like terms: 56 + -56 = 0
0 + 7a = 9 + -56
7a = 9 + -56

Combine like terms: 9 + -56 = -47
7a = -47

Divide each side by '7'.
a = -6.714285714

Simplifying
a = -6.714285714

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