3(3x - 5) + 3x + 3 = 20
Solve for x:
Use distributive property on the left hand side:
9x - 15 + 3x + 3 = 20
Add like terms:
12x - 12 = 20
Add 12 to both sides:
12x - 12 + 12 = 20 + 12
12x = 32
Divide both sides by 12:
12x/12 = 32/12
x = 8/3 = 2.67
