Asked by sigma bsd

Solve the system of equations. 3x + y = 2 and 7x- 4y = 30, which of the following answers is correct? (2, -2), (1/2, 1/2), (2, -4) or (-2, 8)?
Answered by sigma bsd
Are you sure double check please?
Answered by sigma bsd
How many solutions does the system of equations have -5x + 7 = -18 and 10x- 2y = 36 , two two, infinite, none or one?
Answered by sigma bsd
Are you sure? Double check please
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