Solve the system of equations using substitution. y = 4x + 6 y = 2x a. (6, 3) b. (-3, -6) c. (3, 6) d. (1, 2)

asked Jan 6, 2016 160k views

1 vote

Solve the system of equations using substitution.

y = 4x + 6
y = 2x

a. (6, 3)
b. (-3, -6)
c. (3, 6)
d. (1, 2)

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0 votes

Answer:

-3,-6

Explanation:

Jeteon answered Jan 9, 2016

7.9k points

3 votes

$y=4x+6\\ y=2x\\\\ 4x+6=2x\\ 2x=-6\\ x=-3\\\\ y=2\cdot(-3)\\ y=-6\\\\ \boxed{(x,y)=(-3,-6)}$

Lolesque answered Jan 13, 2016

7.9k points

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