39=.5(6)(a+5)

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Solution for 39=.5(6)(a+5) equation:


Simplifying
39 = 0.5(6)(a + 5)

Reorder the terms:
39 = 0.5 * 6(5 + a)

Multiply 0.5 * 6
39 = 3(5 + a)
39 = (5 * 3 + a * 3)
39 = (15 + 3a)

Solving
39 = 15 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
39 + -3a = 15 + 3a + -3a

Combine like terms: 3a + -3a = 0
39 + -3a = 15 + 0
39 + -3a = 15

Add '-39' to each side of the equation.
39 + -39 + -3a = 15 + -39

Combine like terms: 39 + -39 = 0
0 + -3a = 15 + -39
-3a = 15 + -39

Combine like terms: 15 + -39 = -24
-3a = -24

Divide each side by '-3'.
a = 8

Simplifying
a = 8

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