Respuesta :
20s-13s=-10-4 sooo 7s=-14 so divided both sides by 7 sooo s=-2
Step 1: Subtract 13s from both sides.
Step 2: Subtract 4 from both sides.
Step 3: Divide both sides by 7.
In the end, s = -2
Step 2: Subtract 4 from both sides.
Step 3: Divide both sides by 7.
In the end, s = -2