Step-by-step explanation:
Solve by substitution (Assumption)
Given:
[1] y = 6x - 11
[2] -2x-3y = -7
Using [1] substitute (6x-11) for y in [2]
[3] -2x-18x+33=-7
Simplifying
[4] 20x=40
[5] x = 2
Using [5] substitute 4 for x in [1]
[6] y= 12 - 11
[7] y = 1
Solution is (x,y)=(2,1)
