Solve the following system of equations by linear combination: 3d – e = 7 d + e = 5
1 answer:
3d - e = 7d + e = 5 ⇒ 3d - e = 5
7d + e = 5
3d - e = 5
7d + e = 5 +
-----------------------
10d / = 10
10d = 10
d = 10/10
d = 1
7d + e = 5
7×1 + e = 5
7 + e = 5
e = 5 - 7
e = -2
You might be interested in
Answer:
according to meh it's -213
\(◎o◎)/
Answer:
98
Step-by-step explanation:
Answer:
Step-by-step explanation:
12 / v....when v = 2
12 / 2 = 6 <==
Answer:
Step-by-step explanation:
∠4=∠1
Answer: 21 is your range
hope this helps
Step-by-step explanation:
To find the range, subtract the smallest number in the set from the largest