## anonymous 4 years ago If the line passing through the points (a, 1) and (2, 6) is parallel to the line passing through the points (0, 7) and (a + 2, 1), what is the value of a?

1. anonymous

Parallel lines=same slope $\frac{6-1}{2-a}=\frac{1-7}{a+2}$ $5(a+2)=-6(2-a)$ $5a+10=-12+6a, a=22$

2. anonymous

thank you!!