5x and -8x are like terms. 6 is not a variable. 5 is the coefficient of the term 5x. X is not the constant.
Is there a picture or options to this ?
4:1.
56,000÷2 = 28,000
14,000÷2 = 7,000
28,000/7,000 = 28/7
28 ÷ 7 = 4
---- -----
7 ÷7 = 1
4:1
Hope this helps!
Gcf stands for greatest common factor
