1) -4|x+5| = -16
2) inside the lines has to be 4 bc 4×4 is 16 so the possible ways to get 4 is -9 and -1
It is convenient to let a calculator do the math.
.. (x, y) = (0, 3) . . . . . your 3rd selection
_____
I prefer using the RREF function to put the augmented matrix into reduced row-echelon form. If the equations are dependent or inconsistent, using that method tells you so without giving a matrix inversion error.
Just did the work in class. It is greater than.
Key word: sum
twice a number = 2n
Sum of that and 15 = 2n + 15
is = equals
Answer: 2n + 15 = 9
It wouldn’t be divided by, only because she’s not sharing it among 3 different people.
Instead I would write x - 3 because you’re taking away 3 candy bars.