Mathematics
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solve the system by graphing, y-x=5 and y=-2x-1

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(2) Answers
Avaaaaa

1. y=x+5 and y=-2x-1 2. equal these two equation together so... x+5=-2x-1 3x=-6 x=-2

nikolak

y - x = 5    y = -2x - 1 y = x + 5 y = -2x - 1 x + 5 = -2x - 1 +2x      +2x       3x + 5 = -1        -5    -5        3x = -6         3      3          x = -2 y = -2x - 1 y = -2(-2) - 1 y = 4 - 1 y = 3 (x, y) = (-2, 3)

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