-10 = 9k - 40 what is k?
2006-08-19 15:06:12 · 7 answers · asked by K D 1 in Education & Reference ➔ Homework Help
-10 = 9k - 40
Add 40 to each side
30 = 9k
Divide each side by 9
30/9 = k
Reduce. Both numbers are divisible by 3.
Answer: k = 10/3
2006-08-19 15:17:55 · answer #1 · answered by MsMath 7 · 0⤊ 0⤋
-10=9K-40
Step 1: get your variables on one side of the equation
Step 2:add+40 to both sides of your equation
-10=9k-40
+40 +40
-------------------------
+30=9k divide 30 by 9, and9 by9 which cancels the 9 and your left with 30 divided by 9=k, so k=3 and one third.
2006-08-19 16:59:47 · answer #2 · answered by hollyltstarfleet 4 · 0⤊ 0⤋
k=10/3 or 3.3333
-10+40=9k-40+40
30=9k
30/9=9k/9
30/9=10/3=k
2006-08-19 15:12:10 · answer #3 · answered by Freddie 3 · 0⤊ 0⤋
-10=9k-40
add forty to each side
30=9k
devide each side by 9
30/9 =k
10/3=k
k = 3 1/3
2006-08-19 15:12:29 · answer #4 · answered by Grundoon 7 · 0⤊ 0⤋
0=9k-40+10
9k-30=0
9k=30
k=30/9
2006-08-19 16:46:50 · answer #5 · answered by Anonymous · 0⤊ 0⤋
3 1/3.
2006-08-19 15:12:38 · answer #6 · answered by shortycupcake_ci 2 · 0⤊ 0⤋
this is very straightforward algebra
add 40 to both sides and get
30=9k
divide both sides by 9 and get
30/9=k
reduce and get
10/3=k
2006-08-19 15:15:06 · answer #7 · answered by enginerd 6 · 0⤊ 0⤋