Question

2(4m − 1) + 5 ≥ 10m − 7

Answer 1

2(4m-1)+5 ≥ 10m-7
8m-2+5 ≥ 10m-1
8m+3 ≥ 10m-1
Now, bring all the constants on one side and variables on the other.
I will take the constants on the left side and variables on the right. then,
3+1 ≥ 10m-8m
4 ≥ 2m
2 ≥ m ,i.e., m≥2