What's the standard form of y+6=-3(×+1)

1.) 2x + y = 3 2.) x - 2y = -1 if equation 1 is multiplied by 2 and then the equations are added, the result is a.3x = 2 b.3x = 5 c.5x = 5

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?

Can anyone me get through my algebra 2 class? the only class i need to graduate..