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09-11-2020
Mathematics

contestada

Solve using system of equations algebraically
y=2x-3
x+y=18

Respuesta :

xenia168 xenia168

09-11-2020

Answer:

(7, 11)

Step-by-step explanation:

y = 2x - 3 .... (1)

x + y = 18 .... (2)

(1) ----> (2)

x + 2x - 3 = 18 ⇒ x = 7

y = 2(7) - 3 ⇒ y = 11

(7, 11)

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