Solve the following System of Equations using Substitution:
x+3y=1
−3x−3y=−15

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x