The triangle angle sum theorem states that the 3 angles in the triangle must equal 180 degrees.
From both sides of the equation, 4 should have been subtracted.
The solution should look like this:
X + 4 = 28
From each side, subtract 4 :
<em>X = 24</em>
I'd like to demonstrate more steps, but the answer has already popped up, so there aren't any more steps.
TABLE A = y=5x
TABLE B = y=-1/3x