6x/7 -3=4

what is x?
pls hurry I need help.
Do not convert to a decimal.

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.