Problem 1 From Grade 7, Unit 5, Lesson 9
Find the value of each variable.
a. a. 3 = -30
b. -9.b = 45
c. -89 · 12 = c
d. d. 88 = -88,000

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

its kinda hard to answer this when we dont have all the information that we need.

is the anwser b. (-13)?

3 hours and 15 minutes

hope this : )