3a-6=15a-69

Solution for 3a-6=15a-69 equation:

Simplifying
3a + -6 = 15a + -69

Reorder the terms:
-6 + 3a = 15a + -69

Reorder the terms:
-6 + 3a = -69 + 15a

Solving
-6 + 3a = -69 + 15a

Solving for variable 'a'.

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

Add '-15a' to each side of the equation.
-6 + 3a + -15a = -69 + 15a + -15a

Combine like terms: 3a + -15a = -12a
-6 + -12a = -69 + 15a + -15a

Combine like terms: 15a + -15a = 0
-6 + -12a = -69 + 0
-6 + -12a = -69

Add '6' to each side of the equation.
-6 + 6 + -12a = -69 + 6

Combine like terms: -6 + 6 = 0
0 + -12a = -69 + 6
-12a = -69 + 6

Combine like terms: -69 + 6 = -63
-12a = -63

Divide each side by '-12'.
a = 5.25

Simplifying
a = 5.25