-2x + 3y= in slope-intercept form

Mathematics

2 answers:

Rasek [7]2 years ago

5 0

Answer:

Slope intercept form would be, 3y = 2x + 6

Simplified it would be, y = 2/3x + 2

lions [1.4K]2 years ago

4 0

Use the slope intercept from y=mx+b to find the slope m and intercept b.
Slope:1
y-intercept:0

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Pls help, 20 points!!

klemol [59]

Answer:

(-18,9)

Step-by-step explanation (work shown in picture attached):

1) The first step in solving by substitution is to isolate the y-term in one of the equations if it is not already isolated. Isolate y in the first equation by dividing both sides by -2. This leaves us with the equation $y = \frac{-x}{2}$

2) Now, substitute $\frac{-x}{2}$ for the y in the second equation. Simplify and isolate x. (You can multiply everything by -2 to get rid of the fraction.) This leaves us with x = -18.

3) We've found the x-value of the solution, -18. Now, substitute -18 for x back into one of the original equations (I chose the first one because it was simple) and isolate y. This gives us y = 9. Thus, in point form, the answer is (-18,9).