What is the slope-intercept equation of the line below? O A. y = 2x-3
B. y = -2x-3
O C. y=-2x + 3
O D. y = 2x + 3

B. y= -2x-3

Step-by-step explanation:

first look where the line is intersecting which is a -3, so that's your b value.

Next determine if the line is negative or positive.If the left part of the line is at the negative part of the graph then it's positive. Which in this case our line is positive.

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step-by-step explanation:

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18