15+3a=8(a+5)

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Solution for 15+3a=8(a+5) equation:


Simplifying
15 + 3a = 8(a + 5)

Reorder the terms:
15 + 3a = 8(5 + a)
15 + 3a = (5 * 8 + a * 8)
15 + 3a = (40 + 8a)

Solving
15 + 3a = 40 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
15 + 3a + -8a = 40 + 8a + -8a

Combine like terms: 3a + -8a = -5a
15 + -5a = 40 + 8a + -8a

Combine like terms: 8a + -8a = 0
15 + -5a = 40 + 0
15 + -5a = 40

Add '-15' to each side of the equation.
15 + -15 + -5a = 40 + -15

Combine like terms: 15 + -15 = 0
0 + -5a = 40 + -15
-5a = 40 + -15

Combine like terms: 40 + -15 = 25
-5a = 25

Divide each side by '-5'.
a = -5

Simplifying
a = -5

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