could someone help me with math?

Question

10 more than 5 times a number is 3 less than 3 times that number. Find the number.

Answer 1

convert it to an equation:

5x + 10 = 3x - 3

so:

2x = -13

x = -6.5

 

check this:

10 more than 5*(-6.5) is -22.5

3 less than 3*(-6.5) is -22.5