Hello!
Let's write this as an equation below.
3/4x=87
To find our answer ,we just divide both sides of the equation by 3/4.
x=116
Therefore, 116 people attended the concert.
I hope this helps!
Answer:

Step-by-step explanation:
You just have to subtract 1/3x on both sides of the equation to cancel the 1/3x on the left.
Answer:
Step-by-step explanation:
x=4
Answer:
read explanation
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
n = 330.2 − 1.4p