Click the correct answer.
What is the coefficient of x in $$\frac{3}{4}$$xy2z3 – 3?
$$\frac{4}{3}$$y2z3
$$\frac{3}{4}$$yz3
$$\frac{3}{4}$$y2z3
$$\frac{3}{4}$$yz
What is the simplified form of 7a – 5b – ab – (2a – 3b + ab) + 3ab – b + a?
6a – 3b + ab
6a + 3b – ab
6a – 3b – ab
6a + 3b + ab
