X = -3
Pull out the like terms: -7x - 21 = -7 × ( x + 3)
Solve: -7 = 0
Solve: x + 3 = 0
Subtract 3 from both sides of the equation
So, x = -3
He would have gotten 24 right out of 30 questions to get 80% on his 3rd test
A half of 4 is 2 because 2+2=4
53-49=4
4 times 12=48. the unknown number is 48
Answer:
As Doris Day said: Good morning to you
Answer 27/2
Step-by-step explanation:
