Question

-5x+8y=42 Find the value for y when x=6.

Answer 1

-5*6 +8y = 42
-30 +8y = 42
8y = 42+30
8y = 72
Find y

Answer 2

9 ^-^

Answer 3

-5x + 8y = 42
Plug in x.
-5(6) + 8y = 42
-30 + 8y = 42
Now we can simply solve for y.
-30 + 8y = 42
Add 30 to both sides.
8y = 72
Divide each side by 8.
y = 9 <---- Answer. (: