5x + y = -2 -3x + 6y = -12 solve for both x and y using substitution.

Can someone me i’m confused. will give brainliest and a whole bunch of points

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length