Solve the system of equations using substitution. y = 3x + 1 y = 4x a (1, 4) b (0.1, 0.6) c (-1, -4) d (-4, -1)

asked Apr 21, 2016 158k views

5 votes

Solve the system of equations using substitution.

y = 3x + 1
y = 4x

a (1, 4)
b (0.1, 0.6)
c (-1, -4)
d (-4, -1)

8.7k points

Please log in or register to add a comment.

5 votes

$y=3x+1\\ y=4x\\\\ 3x+1=4x\\ 4x-3x=1\\ x=1\\\\ y=4\cdot1\\ y=4\\\\ \boxed{(x,y)=(1,4)}$

Eric Saboia answered Apr 25, 2016

8.1k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers