18=8+6(a-4)

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Solution for 18=8+6(a-4) equation:


Simplifying
18 = 8 + 6(a + -4)

Reorder the terms:
18 = 8 + 6(-4 + a)
18 = 8 + (-4 * 6 + a * 6)
18 = 8 + (-24 + 6a)

Combine like terms: 8 + -24 = -16
18 = -16 + 6a

Solving
18 = -16 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
18 + -6a = -16 + 6a + -6a

Combine like terms: 6a + -6a = 0
18 + -6a = -16 + 0
18 + -6a = -16

Add '-18' to each side of the equation.
18 + -18 + -6a = -16 + -18

Combine like terms: 18 + -18 = 0
0 + -6a = -16 + -18
-6a = -16 + -18

Combine like terms: -16 + -18 = -34
-6a = -34

Divide each side by '-6'.
a = 5.666666667

Simplifying
a = 5.666666667

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