math_celebrity Administrator Staff member Nov 20, 2016 #1 thrice the sum of x y and z The sum of x, y, and z x + y + z Thrice the sum means multiply by 3 3(x + y + z)
thrice the sum of x y and z The sum of x, y, and z x + y + z Thrice the sum means multiply by 3 3(x + y + z)