Question

Find X and Y, if X+Y=[5209] and X−Y=[360−1]

Answer 1

X+Y=[5209]

X-Y=[359]

X+Y=5209

X-Y=359

- + -

__________

2Y=4850

Y=4850/2

Y=2425

X+Y=5209

X=5209-Y

X=5209-2425

X=2784