3(9 - 5)^2
3 *
16 * 3
48
3 *
16 * 3
48
Solve the following system of equations by using the elimination method. 4x - y = 8 -8x + 2y = -5
1 answer:
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First find the x and y values because where the lines will intersect, they share the point of the intersection so they will share the x and y coordinates.
Rearrange equations
To cancel y, we must do equation 1 minus equation 2. Similarly:
So the x coordinate is 3.
The y coordinate can be found with substitution of x into one of the equations:
So where the two lines intersect is at the point (3, 7), which is the solution to the equations.
Answer:
- I think it is that I'm not sure