<span>3x+5=20
=>3x=15
=>x=5
i am not sure what you are talking but its solving than here it is.
</span>
Answer:
7
Step-by-step explanation:
2×3.7=7 is easy and less money
Answer:
12n -5 ≤ 55
Step-by-step explanation:
12 times a number (represented by n) is 12n.
"Decreased by 5" means 5 is subtracted from the product, giving 12n-5.
"Is no more than 55" means "is less than or equal to 55".
Then the expression written using math symbols is ...
12n -5 ≤ 55