14) solve the following equation
3(x-7)-x=2x-21
a)7
b)-2
c)infinitely many solutions
d)no solution

15) 3+6z=13+6z
a) z=-5/6
b)z= 2 2/3
c)infinitely many solutions
d)no solution

ye

step-by-step explanation:

options a,b,c are the right answer.

step-by-step explanation:

a linear parent function is always represented as y = x

if we write this function in the form of y=mx+c

⇒

or  

now if we plot a graph we will find these characteristics:

1) y intercept of the graph is zero so its a straight line passing through origin.

2) as we can see in both the forms of function written, values of x and y may be either positive or negative for the positive slope means points on the graph are either in first quadrant or in third one.

3) it's slope is one.