3x + 2 = 5x - 4
3x = 3 times the value of x
2 = The sum of 2
5x = 5 times the value of x
-4 = 4 less
N/100*260=39
260n=3,900
n=3,900/260
=(390*10)/(26*10)
=390/26
=15
39 is 15% of 260.
Expressions are mathematical statements represented with the variables
The value of 12x^-3 y-1 for x=-1 and y=5 is - 12/5
<h3>How to determine the value of the variable</h3>
The expression is given as:

When x = -1, the expression becomes

Evaluate the exponent

When y = 5, the expression becomes

Evaluate the exponent
- 12/5
Hence, the value of 12x^-3 y-1 for x=-1 and y=5 is - 12/5
Read more about expressions at:
brainly.com/question/723406
Answer:
False
Step-by-step explanation:
False.
Gross income is the total amount a person earns before any deductions are taken out.