lisaslaughter28 lisaslaughter28

24-02-2021
Mathematics

contestada

Solve the following system of equations using substitution:

y=x+3

x+2y=3

Solution (x, y):

Respuesta :

thebecks thebecks

24-02-2021

Answer:

x = -1

y = 2

Step-by-step explanation:

y = x+3

x+2y = 3

substitute y

x+2(x+3) = 3

simplify

3x+6 = 3

subtract 6 from both sides

3x = -3

x = -1

y = -1+3 = 2

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