Posted by Sally on .
A number is multiplied by 3 and then this product is decreased by 7. The result is 4 less than twice the opposite of the number. what is the number?

11th grade Algebra 
Bala,
3/5 because 3x  4= 2x4

11th grade Algebra 
tony,
what is the form y=mx +b for C = {(x, y): (6, 15), (8, 21), (10, 27)

11th grade Algebra 
Greg,
The answer to this question is 3. The equations work out to be 3n7=2n4, and then you can just work it out for yourself.