Sign In
Ask Question
Mathematics
Yahir Roach
12 October, 12:57
Solve using substitution
7x-9y=-9
X=-9
+5
Answers (
1
)
Khloe Rollins
12 October, 13:11
0
y=6
x=6.42
Step-by-step explanation:
7 (-9) + 9y=-9
-63+9y=-9
+63 + 63
9y/9=54/9
y=6
7x-9 (6) = -9
7x-54=-9
+54 + 54
7x/7=45/7
x=6.42
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Get an answer to your question ✅
“Solve using substitution 7x-9y=-9 X=-9 ...”
in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
What are the possible numbers of positive, negative, and complex zeros of f (x) = - 3x4 - 5x3 - x2 - 8x + 4? A. Positive: 2 or 0; negative: 2 or 0; complex: 4 or 2 or 0 B. Positive: 1; negative: 3 or 1; complex: 2 or 0 C.
Answers (1)
Convert the decimal to a fraction. 0.02
Answers (1)
Use the elimination method to solve the system of equations. Choose the correct ordered pair. (y=2x-4) (y=-x+5)
Answers (1)
A number y greater than - 8 and is at most - 7
Answers (1)
Solve - 4x (6x+3) = - 12 (x+10)
Answers (2)
New Questions in Mathematics
Identify the type of system for y=-x+4 and 2x+2 y=8
Answers (2)
What is 8.60 to the nearest 10th
Answers (2)
On a track and field team, 8% of the members run only long-distance, 32% compete only in field events, and 12% are sprinters only. Find the probability that a randomly chosen team member runs only long-distance or competes only in field events.
Answers (1)
Drew salary increased from $6.00 an hour to $7.50 an hour. what was the percent increase
Answers (1)
Which side lengths do not form a right triangle? a. 5, 12, 13 b. 10, 24, 28 c. 15, 36, 39 d. 50, 120, 130
Answers (1)
Home
»
Mathematics
» Solve using substitution 7x-9y=-9 X=-9
Sign In
Sign Up
Forgot Password?