Answer:
x=-5
Step-by-step explanation:
2x+10=0
2x=-10
x=-5
Answer:4200-600m=1800
Step-by-step explanation:
4200-600m=1800
Subtract 4200 from 1800
-600m=-3600
Divide both sides by -600
m=6
7
—- Divide by 9 = 7/27 or 0.259259259
3
Answer:
26 pencils were thrown away.
Step-by-step explanation:
1/5 = 8/40
1/4 = 6/32
add them together 18/40
26 were thrown out
In order for the expression to equal 10 you have to turn it into this (all numbers are still doing the same action):
6×2-(5-3)
solve it:
6×2-(5-3)
12-(5-3)
12-2
10
Hope I helped...