Answer:
I will assume that "first number is 6 less than 4 times a number" is meant to say something like "first number is 6 less than 4 times <u>the middle</u> number." As written, it offers no information. "first number is 6 less than 4 times a number" could be almost anything. If this can be clarified, consider the following process for solving the question.
Step-by-step explanation:
Three consecutive numbers: X, Y, and Z
We can rewite this as:
X = X
Y = X+1
Z = X+2
1) X = 4[?????] - 6 [Need some clarification about the "number"]
2) Z = 3X + 7 [Substitute the value for Z from above]
X+2 = 3X+7
2X = -5
And so on.
Answer:
Step-by-step explanation:
You can do one of two things when you start this question.
- you can use the distributive property to get rid of the brackets or
- you can do what was done here: divide both sides of the given equation by 6. So the answer is, divide both sides by 6
It would be E im pretty sure be you simplify the p and q
The coefficient matrix is
Notice that the last row is -4 times the first row, so that the rows of the matrix are not independent. This means the determinant would be 0.
Just to confirm, we can compute the determinant via a Laplace expansion along the first row: