SOLUTION: Substitition- x + y = 13 y

SOLUTION: Substitition- x + y = 13 y - x = -7

Question 121692This question is from textbook
: Substitition-
x + y = 13
y - x = -7 This question is from textbook

Found 2 solutions by Nellene Mae, Fombitz:
Answer by Nellene Mae(3) (Show Source): You can put this solution on YOUR website!
im not sure of my answer coz you just have to substitute d negative 7...
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
Use equation 2 to get an expression for y in terms of x.
2.

Now substitute that expression into equation 1 and solve for x.
1.

From equation 2,

Check your answers.
1.

True statement
2.

Ture statement.
Your answers led to true statements.
They are good answers.
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