Mathematics, 07.01.2020 21:31, cxttiemsp021

Solve the following system of equations by the substitution method. x - y = 0 x - y - 2 = 0 what is the solution set? {(1, -1)} {(-1, 1)} ø

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Solve the following system of equations by the substitution method. x - y = 0 x - y - 2 = 0 what is...