joe2466544 joe2466544

12-11-2020
Mathematics

contestada

Solve the system of linear equations by substitution.

x=2y+7
3x−2y=3

Respuesta :

whepeony whepeony

12-11-2020

Step-by-step explanation:

3(2y+7)-2y = 3

6y+21-2y = 3

4y = -18

y = -4.5

x = 2×(-4.5)+7 = -9+7 = -2

(-2;-4.5)

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