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babymother [125]
3 years ago
10

Solve the system by substitution. In the space provided, type the answer without any

Mathematics
1 answer:
adelina 88 [10]3 years ago
7 0

Answer:

x - y = -1 ....... 1

3x + 2y = 22 ........ 2

Make x the subject in the first equation

x = -1+y

Substitute this into the second equation

3(-1+y) + 2y = 22

-3 + 3y + 2y = 22

5y = 25

Divide both sides by 5

y = 5

Substitute y = 5 into x = -1+y

x = -1+5

x = 4

x = 4 , y = 5

Hope this helps

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