PLS HELP ITS DUE IN AN HOURR 2. Find the non-unique solution to the following system by letting z = a.
x + 5y + 3z = 7
2x + 11y - 47 = 6

Can someone me i’m confused. will give brainliest and a whole bunch of points

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?