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44 votes
44 votes
Need help with 2 look at the Photo

Need help with 2 look at the Photo-example-1
User Bitgarden
by
2.7k points

2 Answers

26 votes
26 votes
Answer: (4) x = 15

Steps:
1. Isolate y in the equation x - y = 4
x - y = 4
-y = 4 - x
y = 4 - x / -1
2. Substitute value of x (15) into the new equation y = 4 - x / -1
y = 4 - 15 / -1
y = -11 / -1
y = 11
3. Plug in your y value (11) and x value (15) into the equation x + 2y = 37
15 + 2(11) = 37
15 + 22 = 37
37 = 37 ✅
4. Plug in your y value (11) and x value (15) into the equation x - y = 4
15 - 11 = 4
4 = 4 ✅

both equations are true with the value of x being 15 therefore your answer is
(4) x = 15
User Ticketsbros
by
2.7k points
12 votes
12 votes

Answer:

x = 15

Explanation:

x + 2y = 37

x - y = 4

x + 2y = 37

2x - 2y = 8

3x = 45

x = 15

User Matthew MacFarland
by
3.1k points