SOLUTION: Solve this system of equations by the substitution method. x+4x=-1 3x+y=8

SOLUTION: Solve this system of equations by the substitution method. x+4x=-1 3x+y=8

Algebra.Com

Question 314760: Solve this system of equations by the substitution method.

x+4x=-1
3x+y=8
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
I think this is what you mean,
1.
2.
From eq. 1,

Substitute into eq. 2,

Then from above,

RELATED QUESTIONS
Solve this system of equations by the substitution method. x+4x=-1... (answered by Jstrasner)

solve the system of equations by using the substitution method 3x-4y=29... (answered by mananth)

Solve the system of equations by the substitution method y=4x+7 y=9x+8 (answered by ewatrrr)

1.Use the Substitution method to solve the system of equations. x + y = 10 y = x +... (answered by jim_thompson5910)

Solve this system of equations with the substitution method Y=3x - 2 Y=-1/2x +... (answered by rapaljer)

Can you show me how to solve this system of equations: y=3x (answered by jim_thompson5910)

Solve the system of equations using the substitution method 1. x+y=4 (answered by richwmiller)

Solve the system of linear equations using the Substitution Method. x+2y=3... (answered by haileytucki)

Solve this system of equations by the substitution method 7x - 4y = 13 (1) x=3 (answered by Coyote 10)