Question

Evaluate the expression if X=7, y=3, z=9.
6x-(z-2y)+15

Answer 1

54

Explanation:

6x-(z-2y)+15

Let X=7, y=3, z=9

6*7-(9-2*3)+15

PEMDAS

Start with the parentheses

(9-2*3)=9-6 =3

6*7-(3)+15

Multiply and divide

42 -3+15

Add and subtract

54