2x - 3y = 7
Plug in x
2(10) - 3y = 7
Simplify
20 - 3y = 7
Subtract 20 from both sides
-3y = -13
Divide -3 on both sides
y = 3/13
or
y = -4.3333333333333333
(I would do the fraction)
Hopefully this is what you were asking, I'm not entirely sure though :)
2x - 3y = 7
Plug in x
2(10) - 3y = 7
Simplify
20 - 3y = 7
Subtract 20 from both sides
-3y = -13
Divide -3 on both sides
y = 3/13
or
y = -4.3333333333333333
(I would do the fraction)
Hopefully this is what you were asking, I'm not entirely sure though :)