Answer:
a = -5
Step-by-step explanation:
15 - a = 20
Move the constant of 15 to the other side by subtracting it.
-a = 5
Divide by -1 to make a positive.
a = -5
Check.
15 - (-5) = 20
15 + 5 = 20
20 = 20
Answer:
The 4th option is the correct answer
Step-by-step explanation:
Hope this helps:)
Answer:
0.609
Step-by-step explanation:
9.06
6.90
0.906
0.609
Answer: 0.609
R/12 is the solution because it is how many times you can put r into 12
Answer:
3x =6
x=2
Step-by-step explanation:
5x -2 = 4+2x
Subtract 2x from each side
5x-2x -2 = 4+2x-2x
3x-2 =4
Add 2 to each side
3x-2+2 = 4+2
3x =6
Divide each side by 3
3x/3 = 6/3
x = 2