8x-5y=15
6x+4y=43
solve the system by any method

,

Step-by-step explanation:

We want to make the X's the same:

Because the signs of the X's are the same we subtract the 2 equations to make:

(I put the second one on top of the 1st)

So:

Substitute y into either equation 1 or 2:

(I chose equation 1)

So:

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

3x + 4y -25 =0 represents the amount of change sianna should recieve