-1+7=3(a-8)

Solution for -1+7=3(a-8) equation:

Simplifying
-1 + 7 = 3(a + -8)

Combine like terms: -1 + 7 = 6
6 = 3(a + -8)

Reorder the terms:
6 = 3(-8 + a)
6 = (-8 * 3 + a * 3)
6 = (-24 + 3a)

Solving
6 = -24 + 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.
6 + -3a = -24 + 3a + -3a

Combine like terms: 3a + -3a = 0
6 + -3a = -24 + 0
6 + -3a = -24

Add '-6' to each side of the equation.
6 + -6 + -3a = -24 + -6

Combine like terms: 6 + -6 = 0
0 + -3a = -24 + -6
-3a = -24 + -6

Combine like terms: -24 + -6 = -30
-3a = -30

Divide each side by '-3'.
a = 10

Simplifying
a = 10