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Oxana [17]
3 years ago
12

(15.x + 79) (5x + 61)

Mathematics
1 answer:
Veronika [31]3 years ago
8 0

Answer:

A) 15x +79  = z

B) 15x +79 + 5x + 61 = 180

20x + 140 = 180

20x = 40

x = 2

Then using equation A)

A) 15 * 2 + 79 = z

30 + 79 =z

z = 109

Step-by-step explanation:

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