Question

What is the value of 4(x+y)−1+2z when x = 3, y=12 , and z=−1 ? Enter your answer in the box.

Answer 1

61

Explanation:

4(3+12)-1+2*1

4(15)-1+2*1

60-1+2

59+2

61

Answer 2

57

Explanation:

4(x+y)−1+2z

Let x=3 and y =12 and z=-1

4(3+12) -1 +2(-1)

Do the parentheses first

4(15) -1 +2(-1)

Then multiply

60 -1 -2

Then add from left to right

57