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mote1985 [20]
3 years ago
14

Solve the system of linear equations by adding or subtracting. Show all work!

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
4 0

Answer:

x = -2, y = -2

Step-by-step explanation:

Your goal is to try and cancel out a variable. I want to get rid of y so i subtracted the first equation from the second one.

After that I solve for x and got x=-2.

I used x=-2 and plugged it back into either of the equation to solve for y.

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Answer:

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Step-by-step explanation:

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3 years ago
A line passes through (4, 5) and (8, 9). Which equation best represents the line?
xxTIMURxx [149]

Answer:

that is the equation of the line, its slope is 1 and the y-intercept is 1 y = x + 1

Step-by-step explanation:

we can calculate the slope of this line passing through (4,5) and (8,9) like this:

m = (y2 - y1)/(x2 - x1)

m = (9 - 5)/(8 - 4)

m = 4/4

m = 1

so the slope is 1, and now we can use the equation of one point and the slope to write the line's equation:

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y = x + 1

that is the equation of the line, its slope is 1 and the y-intercept is 1



7 0
3 years ago
Click and drag like terms onto each other to simplify fully.<br> 2-5+7y-5x+7x-2y
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(In simplest form)

6 0
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