jacobwheaton04 jacobwheaton04

07-01-2021
Mathematics

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y = 3x+8 5x + 2y =20 solving systems by substitution

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jayappleby230 jayappleby230

07-01-2021

Answer:

which grade is that u are doing?

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kenlingdad kenlingdad

07-01-2021

Answer:

x=4/11

y=9 1/11

Step-by-step explanation:

y = 3x+8

5x + 2y =20

5x + 2 (3x+8) =20 .. substitute y

5x + 6x +16 = 20

11x = 20-16 = 4

x = 4/11

Y = 3*4/11 + 8 = 1 1/11 + 8 = 9 1/11

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