Question

a line contains (4,3) and (x,7). the slope is 2. Find x

Answer 1

\[m=\frac{ y_2-y_1 }{ x_2-x_1 }\]

Answer 2

i got that i just dont know the rest ^_^''

Answer 3

\[y_1=3,y_2=7,x_1=4,x_2=x\]
substitute

Answer 4

\[\frac{ 7-3 }{ 4-x }=2\]