Answer:3: If a linear system has the same number of equations and variables, then it must have a unique solution.
Step-by-step explanation:just this which correct
Involving the second and no higher power of an unknown quantity or variable.
Answer:
7/8 or in decimal form .87
Step-by-step explanation:
Answer:
y = -2x -7
Step-by-step explanation:
y + 5 = -2 (x +1)
y + 5 = -2x -2 . move 5 to the other side by subtracting from both sides.
y = -2x -7
