Match 1234 to abcd
1. 5x + 5y - 5
2. 2x + 9y - 7x + 5 - 4y - 10
3. 5x + 10y - 10x + 5y - 15 + 20
4. -5 + 10x - 7y + 10 - 3y + 5x

a. -5x + 5y - 5
b. = -5x + 15y + 5
c. = 15x - 10y + 5
d. 5x + 5y - 5

Respuesta :

1 goes to d
2 goes to a
3 goes to b
4 goes to c
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