A solution for a pair of lines means that they are equal to each other. This occurs when they instersect. Since the lines have the same slope, but are not the same line, they are parallel, so they will never intersect. This means there are zero solutions.
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Answer:
Step-by-step explanation:First one is 2
Answer:
-3
Step-by-step explanation:
divide 7 on both sides -21/7 = -3
w=-3
Answer:
6x−12x^2
Step-by-step explanation:
Suppose you can factorize:

Then by expanding the right side, you have

which means in this case, you have to have