Is this no solution or infinite solutions?

2x+y=2

y=-2x-1

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T=hp+2B solve for B in a literal equation

The first aircraft has 69 more seats then the second aircraft. The third aircraft had 47 fewer seats then the second aircraft. if their total number of seats is 403, find the number of seats for each aircraft.

If c (x) = 4x-2 and d (x) = x^2 + 5x is is (c•d) (x)

One third kaylees age increased by 12 is equal to twice her age decreased by 3

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What is 4/5 + 3/10 equal

What is 3.92400 times 10 to the 5 in scientific notation

How do you multiple the following (x-8) (x-7)