a+a(7)-9=10

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Solution for a+a(7)-9=10 equation:


Simplifying
a + a(7) + -9 = 10

Reorder the terms for easier multiplication:
a + 7a + -9 = 10

Reorder the terms:
-9 + a + 7a = 10

Combine like terms: a + 7a = 8a
-9 + 8a = 10

Solving
-9 + 8a = 10

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + 8a = 10 + 9

Combine like terms: -9 + 9 = 0
0 + 8a = 10 + 9
8a = 10 + 9

Combine like terms: 10 + 9 = 19
8a = 19

Divide each side by '8'.
a = 2.375

Simplifying
a = 2.375

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