In ΔWXY, start overline, W, Y, end overline
WY
is extended through point Y to point Z, m, angle, Y, W, X, equals, left bracket, 3, x, plus, 5, right bracket, degreesm∠YWX=(3x+5)

, m, angle, X, Y, Z, equals, left bracket, 8, x, minus, 6, right bracket, degreesm∠XYZ=(8x−6)

, and m, angle, W, X, Y, equals, left bracket, 3, x, plus, 13, right bracket, degreesm∠WXY=(3x+13)

. What is the value of x, question markx?