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Linear System, substitutional method 5x+4y=32 9x-y=33 helppp
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Linear System, substitutional method

5x+4y=32
9x-y=33

helppp

User Eric Lange
by
7.2k points

1 Answer

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5x + 4y = 32 ⇒ 45x + 36y = 288
9x - 1y = 33 ⇒ 45x - 5y = 165
41y = 123
41 41
y = 3
5x + 4(3) = 32
5x + 12 = 32
- 12 - 12
5x = 20
5 5
x = 4
(x, y) = (4, 3)
User Nana Adjei
by
7.6k points
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