Mathematics, 30.07.2019 18:40 ceasar6071

1) how many solutions does this system have? use substitution. y=2x+1 and 4x-2y=6 2) true or false. you cannot use substitution to solve a system that does not have a variable with coefficient of 1 and -1. 3) what is the solution of the system? use substitution. 7x-2y=1 and 2y=x-1

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