Answer:
y = -2x - 6
Step-by-step explanation:
Use slope-intercept form to start the equation. y2 - y1 / x2 -x1
-6 - 0 / 0 - (-3) = -6 / 3 = m = -2
Then plug m (-2) into your y=mx+b equation.
y = -2x + b
substitute -6 for y value and 0 for x value to find value of b.
-6 = -2(0) + b
simplify
-6 = 0 +b
subtract 0 from both sides
-6 = b
plug b value back into the equation
final equation of line is: y = -2x -6
2x-3y=13
x+2y=-4
First times the second problum by 2.
2x-3y=13
2(x+2y=-4)
Your new problum is
2x-3y=13
2x+4y=-8
Now subtract both problums
2x-3y=13
-2x+4y=-8
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-7y=-21
Now divde the -7 on both sides.
-7y=-21
/7 /-7
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y=2
Now you want to substitute the y for the 2 in on of your problums.
x+2(2)=-4
Now mutiplie the 2 by the 2
x+4=-4
Now subtract the 4 on both sides to solve for x.
x+4=-4
-4 -4
--------------
x=-8
473,000 u round up to the next thousand