Solve the system of equation by substitution 6x-5y=12 and y=-2x+20. (write only the solution (x,y)
y = -2x + 20
6x - 5y = 12
6x - 5(-2x + 20) = 12
6x + 10x - 100 = 12
16x = 112
x = 7
y = -2x + 20
y = -2*7 + 20
y = 6
+150 
