Alright. So, we need to apply the substitution method.
y+5 = x - 5
+5
y+5 = x
x = y+5 Now we have our value for x
Plug in the value for x, then solve.
y = -2(y+5) + 1
Distributive property
y = -2*y + -2*5 + 1
y = -2y + -10 + 1
y = -2y + -9
y+2y = -2y + -9
+2y
3y = -9
3y/3 = -9/3
y = -3
Here, we know that y = -3
Now, apply it into an equation to solve for x.
-3+5 = x - 5
+5
2 = x
Now we know that
x = 2
y = -3
