A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.
minus, 6, x, plus, 9, y, equals, minus, 72
−6x+9y=
−72
minus, 6, x, plus, 10, y, equals, minus, 78
−6x+10y=
−78
Answer
Multiple Choice Answers
S, u, b, t, r, a, c, t, to eliminate , y, .Subtract to eliminate y.
S, u, b, t, r, a, c, t, to eliminate , x, .Subtract to eliminate x.
A, d, d, to eliminate , x, .Add to eliminate x.
A, d, d, to eliminate , y, .Add to eliminate y.