What is the justification for the step taken from line 2 to line 3?
3x+9-7x=x+10+x
-4x+9= 2x+10
-6x+9 = 10
6x=1
x=1
the subtraction property of equality
the multiplication property of equality
combining like terms on one side of the equation
the distributive property

the required function is .

step-by-step explanation:

from the given table it is noticed that the graph passing through (-3,7), (0,4), (3,1) and (8,-4).

it is a linear function because the value of y is decrease by one as the value of x increase by 1.

the slope of the function is

the slope of the function is -1 and the y-intercept is 4.

the slope intercept form is

where, m is slope and b is y-intercept.

therefore the required function is . the graph of this function is shown below.

x=6 and x=3

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3/5

step-by-step explanation:

double number line is not a standard concept, so it must have been defined in your textbook. assume top line is numerator.

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step-by-step explanation: