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Nitella [24]
3 years ago
9

Please help me on this.

Mathematics
2 answers:
alexandr1967 [171]3 years ago
5 0

Answer:

y = 2

Step-by-step explanation:

2x + y = 14 + y

2x = 14

x = 7

5x - y = x + 13y

4x = 14y

4(7) = 14y

28 = 14y

2 = y

natima [27]3 years ago
5 0

Let's go:


\2x + y = 14 + y \\\ 2x = 14 \\\ x = 7 \\\ \frac{2x + y}{14 + y} = \frac{5x - y}{x + 13y}


Changing x for 7:


\frac{2.7 + y}{14 + y} = \frac{5.7 - y}{7 + 13y} \\\\ \frac{14 + y}{14 + y} = \frac{35 - y}{7 + 13y} \\\\ \frac{35 - y}{7 + 13y} = 1 \\\\ 35 - y = 7 + 13y \\\ 14y = 28 \\\ y = 2


I hope I helped you.


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