harleynaquin harleynaquin

18-05-2022
Mathematics

contestada

Use substitution to solve the following.

y = 4x

2y + 2.5x = 105

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calliiistar calliiistar

18-05-2022

y = 4x

2y + 2.5x = 105

2(4x) + 2.5x = 105

10.5x = 105

x = 10

y = 40

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