Solve by substitution method: x - y = 5,2x + 2y = 22

Question

Mathematics

Angelina Delacruz

25 September, 07:41

Solve by substitution method: x - y = 5,2x + 2y = 22

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Answers (2)

Know the Answer?

Daniella Crawford · Answer 1

Answer: y=3 x=8

Step-by-step explanation:

x = 5+y

2 (5+y) + 2y=22

10+2y+2y=22

4y+10=22

4y=12

y=3

x=8

Jarvis · Answer 2

x = 8

y = 3

Step-by-step explanation:

x - y = 5 = > x = 5 + y

2x + 2y = 22

x = 5 + y

2 (5 + y) + 2y = 22

x = 5 + y

10 + 2y + 2y = 22

x = 5 + y

4y = 12

x = 5 + y

y = 3

x = 5 + 3

y = 3

x = 8

y = 3