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Tatiana [17]
3 years ago
12

Verificați care dintre perechile (4,7), (3, 4),

Mathematics
1 answer:
Natali5045456 [20]3 years ago
8 0
• (4, 7)
4(4) - 2(7) = 20
16 - 14 = 20
2 = 20 (wrong)

• (3, 4)
4(3) - 2(4) = 20
12 - 8 = 20
4 = 20 (wrong)

• (2, -7)
4(2) - 2(-7) = 20
8 + 14 = 20
22 = 20 (wrong)

• (7, 4)
4(7) - 2(4) = 20
28 - 8 = 20
20 = 20 (correct)

the answer is (7, 4)
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