Answer:
(1, - 7 )
Step-by-step explanation:
To find a solution, choose any value for x, substitute into the equation and solve for y
Choose x = 1, then
y = - 3(1) - 4 = - 3 - 4 = - 7
Thus (1, - 7 ) is a solution to the equation
Answer:
sorry little busy to calculate
Step-by-step explanation:
+5x+2y+z=15
3x +4y_z=19,,,choose which term u wanna eliminate first so u will be able to get your answer there
The answer is -3/8 hope this helps
Inequality, because want to know when we'll make a profit.

Profit: Let's See When 280d equals 52000

So, after 190 days Julianne will make a profit