first: x=0, y=-7 (0,-7) subtract 1st from 2nd equation to get 0 = x, plug that into either equation to get y=-7
2nd: add the equations to get 2y = 30, y=15 x=1 (1,15)
3rd (1/9, 14/3)
Mia W.
asked • 03/11/21Solve each system by substitution
Solve each system by substitutional
y=5x-7
y=-6x-7
Solve each system by substitutional
y=3x+12
y=-3x-18
Solve each system by substitutional
y=6x-4
y=-3x+5
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