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olganol [36]
3 years ago
13

Use substitution to solve the following. y = 4x 2y + 2.5x = 105

Mathematics
1 answer:
Gemiola [76]3 years ago
5 0
Y = 4x

2y + 2.5x = 105

2(4x) + 2.5x = 105

10.5x = 105

x = 10

y = 40
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