Answer:
139
Step-by-step explanation:
well subsitute the numbers in so it 5x8 + 9x11
40 + 99 = 139
The value of 5x + 9y is 139.
The equation is 5x + 9y and when x = 8 and y =11
= 5x + 9y
= 5(8) + 9(11)
= 40 + 99
= 139
Learn more about the equation here: https://brainly.com/question/24760633
