50% should be the present increase :)
Answer:
answer is -3 just subtract 4 from each side
Step-by-step explanation:
I think the answer is the first one, because it needs to be negative. <span />
Answer:
The answer is 3x+6
Step-by-step explanation:
You multiply what's on the outside of the parenthesis by everything on the inside, so you would do 3 times x and 3 times 2. They don't combine because they are like terms.