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11111nata11111 [884]
2 years ago
12

Solve by substitution: 7x+4y=14 and x+2y=12 HURRY I'LL GIVE BRAINLIEST!!

Mathematics
1 answer:
antiseptic1488 [7]2 years ago
5 0

Answer:

x = -2

y = 7

Step-by-step explanation:

x = 12 - 2y

7(12 - 2y) + 4y = 14

84 - 14y + 4y = 14

84 - 10y = 14

10y = 70

y = 7

x = 12 - 2 x 7

x = 12 - 14

x = -2

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