Question

3.

Find a solution to the following system of equations.

-3x+3y=-9

-3x+y=7


A. (–2, 2)


B. (–5, –8)


C. (5, 2)


D. (0, 7)

Answer 1

B. (–5, –8)

Explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

( − 5 , − 8 )

Equation Form:

x = − 5 , y = − 8