Hello!
Let's write this as an equation.
3(x+3)=5x-3
First, let's simplify the parentheses.
3x+9=5x-3
Let's subtract 5x from both sides.
-2x+9=-3
We subtract 9 from both sides.
-2x=-12
We divide both sides by -2.
x=6
Therefore, the number is 6.
I hope this helps!
Answer:
Answers bellow
Step-by-step explanation:
FIGURE A
Decreasing by 1/4 =25%
Figure B
Increase by 1/5 = 20 %
Page 2
b The amount of sunny days this year is 75% of the amount of sunny days last year
c The amount of houses sold this month is 150 % amount of houses sold last month
d The runner's time to complete this marathon was 110% he needed to complete the last marathon(not sure about that one )( it's either 90 % or 110)