Answer:-3x+12
Step-by-step explanation:
Answer:
400 x however long those ribbons are
Step-by-step explanation:
1 meter is 100 centimeters, and there are four rolls. so 4x100 equals 400, and you multiply that by the length that you didn't provide.
They should be 54 students who know how to salsa
Step-by-step explanation:
When solving this equation you get x = -3.
To solve this, simply follow the order of operations for solving.
----> start by dividing both sides by 5
-----> Now you can transform the front side of the equation to use negative exponents.

Since both x and -3 are the powers of x, we can eliminate the 7 and just make the exponents equal.
-3 = x