janellie1026 janellie1026

20-04-2020
Mathematics

contestada

Find the solution to the following system using substitution or
elimination:
y = 2x - 1
y = 5x - 7
of 5
(-2,-5)
(2,3)
( 6/7,5/7)
(1,1)

Respuesta :

devishri1977 devishri1977

20-04-2020

Answer:

(2,3)

Step-by-step explanation:

Substitute y = 2x - 1 in the equation y = 5x - 7

2x - 1 = 5x - 7

2x - 1 + 7 = 5x

2x + 6 = 5x

6 = 5x - 2x

6 = 3x

3x = 6

x = 6/3

x = 2

Substitute the value of x in, y = 2x - 1

y = 2*2 - 1

y= 4 - 1

y = 3

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