Question

Evaluate the expression 2x-(4y-3)+5xz, when x=-3,y=2, and z=-1

Answer 1

Answer: 4

Explanation:

2x - (4y - 3) + 5xz

Let x = -3, y = 2, and z = ‐1.

2(-3) -( 4(2) -3) +5(-3)(-1)

-6 - (8-3) +15

-6 - 5 +15

-11 +15

4