Answer:
m=-4
Step-by-step explanation:
5m-10m=-10m+5m=-(10m-5m)=-5m=20
divide by 5 on both sides, -m=4
miltiply by -1 on both sides, m=-4
4 to the 2nd power is the equivalent to 2 to the 4th power
2⁴ = 16 = 4²
1/7 15/2 8 8.14 64
