What is the value of the x-coordinate of the solution of the system of equations #2x+7=6, y-3=x#?
1 Answer
May 25, 2018
Explanation:
#"solve "2x+7=6#
#"subtract 7 from both sides"#
#2xcancel(+7)cancel(-7)=6-7#
#2x=-1#
#"divide both sides by 2"#
#(cancel(2) x)/cancel(2)=(-1)/2rArrx=-1/2#