Answer:
-1
Step-by-step explanation:
-3(2) = -6 + 5 = -1
Answer:
Yes, x=3
Step-by-step explanation:
Step 1. Subtract 2x from each side
5x=2x+9
-2x -2x
Step 2. Divide both sides by 3
3x/3=9/3
x = 3
It is easier (for me anyway) to find 10% then work around that.
Following that path would mean that, by making a table:
100% = 220
10% = 22
5% (Which is half the 10) = 11
The sum of -2.5, -3 and 6.7 is 1.2