Respuesta :
Answer:
b
Step-by-step explanation:
-7 + 4r = -15
+7 +7
4r = -8
divide both sides by 4
r = -2
Hope this Helps!!!
Answer:
b. Add 7 to both sides.
r=-2
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
4r−7=−15
Step 2: Add 7 to both sides.
4r−7+7=−15+7
4r=−8
Step 3: Divide both sides by 4.
4r/4=−8/4
r=−2