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4x + 4y = 12 -2x + y = -3
95.0k views
16 votes
4x + 4y = 12
-2x + y = -3

User Sharewind
by
3.7k points

2 Answers

6 votes

Answer:

(4y=12)

é só substituir a cordenada no par ordenado

User Geore Shg
by
3.5k points
5 votes
Answer:

(9/4, 3/4)

Step-by-step explanation:

4x + 4y = 12
2(-2x + y = -3)

4x + 4y = 12
-4x + 4y = -6

8y = 6

y = 3/4


4x + 4(3/4) = 12

4x + 3 = 12

4x = 9

x = 9/4
User Vazid
by
3.7k points
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