jadob04ap10 jadob04ap10

16-12-2020
Mathematics

contestada

Solve the system by substitution 2x+2y= 50
y = 4x

Solve the system by substitution 2x2y 50 y 4x class=

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gracieetaylor17 gracieetaylor17

16-12-2020

Answer:

(5,20)

Step-by-step explanation:

2x + 2(4x) = 50

2x + 8x = 50

10x = 50

10x/10 = 50/10x

x = 5

2(5) + 2y = 50

10+ 2y = 50

-10. -10

---------------

2y = 40

2y/2 = 40/2

y = 20

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