1.

4x=1-2y and y=3-xsolve​

Answer»

4x = 1 - 2y \\ \\ y = 3 - x \\ \\ 4x = 1 - 2y \\ \\ 4x = 1 - 2(3 - x) \\ \\ 4x = 1 - 6 + 2x \\ \\ 2x = - 5 \\ \\ x = \frac{ - 5}{2} \\ \\ y = 3 - x \\ \\ y = 3 + \frac{5}{2} \\ \\ y = \frac{11}{2}

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