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maw [93]
3 years ago
15

Solve using elimination. –8x + 6y = –4 2x + 2y = –20

Mathematics
1 answer:
Anettt [7]3 years ago
8 0

x = -4 and y = -6

Step-by-step explanation:

  • Solve for x :

–8x + 6y = –4

2x + 2y = –20 (times 3)

Elimination

–8x + 6y = –4

6x + 6y = –60

_____________ _

-14x = 56

x = -4

  • Solve for y :

–8x + 6y = –4

2x + 2y = –20 (times 4)

Elimination

–8x + 6y = –4

8x + 8y = –80

_____________ +

14y = -84

y = -6

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