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22-09-2018
Mathematics

contestada

use the substitution method to solve the system of equations choose the correct order pair. 3x+y=10 y=x-2

Respuesta :

22-09-2018

3x+(x-2)=10
4x=12
x=12/4=3

y=x-2=3-2=1

so, x=3 and y=1

Answer: (3;1)

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CheeseLover1 CheeseLover1

22-09-2018

3x +(x-2)=10 you substitute the y= for the y
Add the x 4x -2 =10
Move the -2 to the other side 4x =12
x= 3
Now substitute the x= for the x in the other equation y= 3-2
y=1
Your answer is (3,1)
Hope this helps❗️

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