Answer:
m=−11
Step-by-step explanation:
1. Distribute the terms:
4m+20=2(m−1)
4m+20=2m−2
2. Add/subtract terms to both sides:
4m+20−20=2m−2−20
4m=2m−22
3. Add/subtract terms to both sides:
4m−2m=2m−22−2m
2m=−22
4. Divide both sides by the same factor:
22m=2−22
m=−11
