solve the system. x1 -3x2 = 5 -x1 +x2 +5x3 = 2 x2 + x3 = 0
Follow Math Help Forum on Facebook and Google+
Hello, m777! This one isn't too hard. . . Exactly where is your difficulty? Solve the system . . Add [1] and [2]: . Multiply [3] by 2: - - Add: . Substitute into [3]: . Substitute into [1]: .
View Tag Cloud