Answer :
Answer:
x = -y + 7
or
x = 7 - y
Step-by-step explanation:
x + y = 7
Step 1: Subtract y from both sides to get x alone.
x + y = 7
-y -y
x = 7 - y
Since x is alone and y is a variable & not a number, there's nothing else to do to the equation.
Hey there!☺
[tex]Answer:\boxed{x=-y+7}[/tex]
[tex]Explanation:[/tex]
[tex]x+y=7[/tex]
The first/last step we have is to add -y to both sides.
[tex]x+y+-y=7+-y\\x=-y+7[/tex]
[tex]x=-y+7[/tex] is your answer.
Hope this helps!☺