What do you mean doubling? You can add 7+7+7 which equals 21.
Answer:
translate in english i can help
Step-by-step explanation:
Here you go! Can you please give me brainliest answer? I'm like so close to leveling haha.. <3
Hope this helps!
Answer: x= -2/3
Step-by-step explanation: 0= -3x-2
Move the variable to the left and then divide both sides 3x=-2
add all the numbers without a minus.