3(a+5)-8a=4

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Solution for 3(a+5)-8a=4 equation:


Simplifying
3(a + 5) + -8a = 4

Reorder the terms:
3(5 + a) + -8a = 4
(5 * 3 + a * 3) + -8a = 4
(15 + 3a) + -8a = 4

Combine like terms: 3a + -8a = -5a
15 + -5a = 4

Solving
15 + -5a = 4

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + -5a = 4 + -15

Combine like terms: 15 + -15 = 0
0 + -5a = 4 + -15
-5a = 4 + -15

Combine like terms: 4 + -15 = -11
-5a = -11

Divide each side by '-5'.
a = 2.2

Simplifying
a = 2.2

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