-48=6(a-1)

Solution for -48=6(a-1) equation:

Simplifying
-48 = 6(a + -1)

Reorder the terms:
-48 = 6(-1 + a)
-48 = (-1 * 6 + a * 6)
-48 = (-6 + 6a)

Solving
-48 = -6 + 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.
-48 + -6a = -6 + 6a + -6a

Combine like terms: 6a + -6a = 0
-48 + -6a = -6 + 0
-48 + -6a = -6

Add '48' to each side of the equation.
-48 + 48 + -6a = -6 + 48

Combine like terms: -48 + 48 = 0
0 + -6a = -6 + 48
-6a = -6 + 48

Combine like terms: -6 + 48 = 42
-6a = 42

Divide each side by '-6'.
a = -7

Simplifying
a = -7