6a-6=63a+90

Solution for 6a-6=63a+90 equation:

Simplifying
6a + -6 = 63a + 90

Reorder the terms:
-6 + 6a = 63a + 90

Reorder the terms:
-6 + 6a = 90 + 63a

Solving
-6 + 6a = 90 + 63a

Solving for variable 'a'.

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

Add '-63a' to each side of the equation.
-6 + 6a + -63a = 90 + 63a + -63a

Combine like terms: 6a + -63a = -57a
-6 + -57a = 90 + 63a + -63a

Combine like terms: 63a + -63a = 0
-6 + -57a = 90 + 0
-6 + -57a = 90

Add '6' to each side of the equation.
-6 + 6 + -57a = 90 + 6

Combine like terms: -6 + 6 = 0
0 + -57a = 90 + 6
-57a = 90 + 6

Combine like terms: 90 + 6 = 96
-57a = 96

Divide each side by '-57'.
a = -1.684210526

Simplifying
a = -1.684210526