prettygotdumb prettygotdumb

01-05-2021
Mathematics

contestada

Solve for the values of x and y:

y = 3x - 5 ........(i) and y = -x + 7 ........(ii)

Respuesta :

Leora03 Leora03

01-05-2021

Answer:

x= 3, y= 4

Step-by-step explanation:

y= 3x -5 -----(i)

y= -x +7 -----(ii)

Substitute (i) into (ii):

3x -5= -x +7

3x +x= 7 +5

4x= 12

x= 12 ÷4 (÷4 on both sides)

x= 3

Substitute x= 3 into (ii):

y= -3 +7

y= 4

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