34 = 28 - 2/5X
Move +28 to the other side. Sign changes from +28 to -28
34-28=28-28-2/5x
34-28=-2/5x
6=-2/5x
Multiply both sides by -5/2
6(-5/2)=-2/5(-5/2)x
Cross out 6 and 2, divide by 2 and becomes :
3*-5=-15=X
Answer: X=-15
