Question

Find two solutions of the linear equation 2 − = 4​

Answer 1

Answer:

Add (or subtract) a multiple of one equation to (or from) the other equation, in such a way that either the x -terms or the y -terms cancel out. Then solve for x (or y , whichever's left) and substitute back to get the other coordinate. Multiply the first equation by −2 and add the result to the second equation.