Answer:
Explanation:
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y=-3x+6
y=9
subsitution
9 = -3x + 6
x= - 1
pluggin for y
y = 3+6 = 9
y= 9
(-1,9)
x = -1
Put y as 9 and solve for x.
Add 3x and -9 on both sides.
3x = 6 - 9
Subtract.
3x = -3
Divide 3 into both sides.
x = -3/3
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