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
Answer:
x≤10
Step-by-step explanation:
I can try but what is the question.
Answer:
the answer is 3xy
Step-by-step explanation:
2x can be combined with -5x and x because they have the same variables, but 3xy has the variable xy so it cannot be combined with the others