Question

Systems Using Substitution
3x + 2y = 20
y = x + 4

Answer 1

look at your previous post of the same question

Answer 2

solve the first equation for x then substitute that x in for the x in the second equation
in the second equation you are solving for y

Answer 3

after you find y go back to your first equation and plug in your y and solve for x

Answer 4

y = x+4 so u but that in place of y so you have 3x 2(x+4)=20 then simply solve for x

Answer 5

afs os simpler

Answer 6

correction i left out a plus 3x+2(x+4)=20 solve for x then plug in to other one and u will get y