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19-02-2021
Mathematics

contestada

Solve the system of linear equations by substitution. y=2x-3 y=-x+9

Respuesta :

Yang100 Yang100

20-02-2021

Answer:

x=4, y=5. (4, 5).

Step-by-step explanation:

y=2x-3

y=-x+9

----------

2x-3=-x+9

2x-(-x)-3=9

2x+x=9+3

3x=12

x=12/3

x=4

y=2(4)-3=8-3=5

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