SOLUTION: -13 is the difference of a number multiplied by 5 and 8

Algebra ->  Expressions-with-variables -> SOLUTION: -13 is the difference of a number multiplied by 5 and 8       Log On


   



Question 66199This question is from textbook Mathematics
: -13 is the difference of a number multiplied by 5 and 8 This question is from textbook Mathematics

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
5x-8x=-13
-3x=-13
x=-13/-3
x=13/3 or
x=4 1/3
proof
5*13/3-8*13/3=-13
65/3-104/3=-13
-39/3=-13
-13=-13