Answer:
Step-by-step explanation:
Given:
Substitution can be used to find the value of :
Hope this helps :)
You have to combine like numbers
y-4x-1(1-6x)+3y+x
4y -4x-(1-6x)+x
4y - 4x - 1 + 6x + x
4y + 3x - 1
19
5 times 3 is 14 plus 4 is 19