MROOF27 MROOF27

22-02-2021
Mathematics

contestada

Solve the system by graphing. x + y = 27 and y=x+3. The solution is ( , ).

Respuesta :

tenayanelson tenayanelson

22-02-2021

Answer:

X=12 Y=15

Step-by-step explanation:

X+Y=27 (1)

Y=X+3 (2)

substitute (2) into (1)

X+X+3=27

2X=24

X=12

substitute X=12 into (2)

Y=12+3

Y=15

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