For solving each pair of equations, use the method of eliminations by equating coefficients:
y=2x−6
y=0
y = 2x - 6
y = 0 2x-y=6 y=0 ---------- 2x=6 x = 3 ; y = 0
x−y6=2(4−x)
2x+y=3(x−4)
13+2y=9x
3y=7x
41x+53y=135
53x+41y=147