13a+8-7a=15

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Solution for 13a+8-7a=15 equation:


Simplifying
13a + 8 + -7a = 15

Reorder the terms:
8 + 13a + -7a = 15

Combine like terms: 13a + -7a = 6a
8 + 6a = 15

Solving
8 + 6a = 15

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + 6a = 15 + -8

Combine like terms: 8 + -8 = 0
0 + 6a = 15 + -8
6a = 15 + -8

Combine like terms: 15 + -8 = 7
6a = 7

Divide each side by '6'.
a = 1.166666667

Simplifying
a = 1.166666667

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