Question

10x – 2y =
x – y =
7x + y =
12x + 5y =
50x – 6y =
8x + 11y =
me ajuda aí por favor

Answer 1

1) 10x - 2y
R: 10.2 - 2.5
R: 20-10:
R: 10

2) x - y
R: 2 - 5
R: 3

3) 7x + y
R: 7.2 + 5
R:14 + 5
R:19

4) 12x + 5y
R:12.2 + 5.5
R:24 + 25
R:49

5) 50X - 6y
R:50.2 - 6.5
R:100 - 30
R:70

6) 8x + 11y
R:8.2 + 11.5
R:16 + 55
R: 71