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Next, we must eliminate the constant on the left side of the equation, which is the four. So add four to both sides to get rid of the negative four. Remember, what you do to one side, you must also do to the other!

-6x - 4 = -16

+4 +4

Now, we have this:

-6x = -12

But wait! We aren't done yet! There is still the negative six with the variable. To get rid of it, we must divide both sides of the equations by negative six, as a negative divided by a negative is a positive. There is always an imaginary one next to a variable, so if we divide the negative six by itself, we will get one! Then, the variable will be by itself!

-6x = -12

÷-6 ÷-6

Now we have: x = 2

Remember that a negative divided by a negative is a positive, so the answer is 2, not negative two!

6 0

3 years ago

Does anyone know how to solve this? I need a step by step solving please!! I really want to understand it

Sever21 [200]

Answer:

Step-by-step explanation:

sure, shuu, :P

components means the X, and Y .. components of the vector, V. The vector is just another name for the line. :/ just making sure we're talking the same lingo.

so find the slope of the line.... recall, it's usually named m

m=slope

I have a cut a paste formula for this b/c it's asked about so often.

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

we are given P1 and P2

point P1 (-3,-1) in the form (x1,y1)

point P2(1,4) in the form (x2,y2)

plug those numbers in to find the slope

m = (4-(-1)) / (1-(-3))

notice that i've paid extra close attention to the negatives

m = (4+1) / (1+3)

m = 5 / 4

now we've got the slope. Now just plug in either point, both will work , into the point slope formula, just memorize this formula below. You'll need it so often. keep in mind that there is also a slope intercept formula too, just keep them separate. we get the slope intercept from the point slope. if that helps?

y - y1 = m(x -x1)

using P2

y-4 = (5/4)(x-1)

y-4 = (5/4)x - 5/4

y = (5/4)x - 5/4 + 4

y =(5/4)x + 2 $\frac{3}{4}$ ( this is the slope intercept formula) y = mx + b

in this form, you can find y for any x, Does this make sense?

7 0

1 year ago