creeperhunter121 creeperhunter121

09-11-2018
Mathematics

contestada

NEED HELP NOW! Use the substitution method to solve the system of equations. choose the correct ordered pair.
x+y=12
-x=-y-10

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MikeMart77 MikeMart77

09-11-2018

[tex]x+y=12\\y=x+10\\\\x+(x+10)=12\\2x+10=12\\2x=2\\x=1\\\\y = x+10\\y=1+10\\y=11\\\\x+y=12\\1+11=12\\12=12\\\\x=1\\y=11[/tex]

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