Question

When using the substitution method, what expression for x in the first equation would be substituted in the second equation?

x + 3y = -7
2x + 4y = -4

Answer 1

please help. medals and fanning will be rewarded

Answer 2

@Kfins99

Answer 3

x + 3y = -7 2x + 4y = -4

x= -7 -3y 2(-7 -3y)=-4

Answer 4

\[y= \frac{ -10 }{ 2}\]

Answer 5

@carlyn101