2b+8+9b+8a+7a=13

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Solution for 2b+8+9b+8a+7a=13 equation:


Simplifying
2b + 8 + 9b + 8a + 7a = 13

Reorder the terms:
8 + 8a + 7a + 2b + 9b = 13

Combine like terms: 8a + 7a = 15a
8 + 15a + 2b + 9b = 13

Combine like terms: 2b + 9b = 11b
8 + 15a + 11b = 13

Solving
8 + 15a + 11b = 13

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 + 15a + -8 + 11b = 13 + -8

Reorder the terms:
8 + -8 + 15a + 11b = 13 + -8

Combine like terms: 8 + -8 = 0
0 + 15a + 11b = 13 + -8
15a + 11b = 13 + -8

Combine like terms: 13 + -8 = 5
15a + 11b = 5

Add '-11b' to each side of the equation.
15a + 11b + -11b = 5 + -11b

Combine like terms: 11b + -11b = 0
15a + 0 = 5 + -11b
15a = 5 + -11b

Divide each side by '15'.
a = 0.3333333333 + -0.7333333333b

Simplifying
a = 0.3333333333 + -0.7333333333b

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