jessicacontreras07 jessicacontreras07

25-09-2020
Mathematics

contestada

Solve the system of equations by the substitution method

y = 3x + 7

y = 5x + 8

Respuesta :

haichoi0330 haichoi0330

26-09-2020

Answer:

x=0.5

y = 10.5

Step-by-step explanation:

y = 3x + 7

y = 5x + 8

3x + 7 = 5x + 8

3x - 5x= 8 - 7

2x = 1

x= 1/2

x=0.5

y = 5x + 8

y = 5(0.5) + 8

y = 2.5 + 8

y = 10.5

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