Question

3x + y = 1
y + 4 = 5x

What is the resulting equation?

Answer 1

So what are we doing? :/
Solving for something or what?

Answer 2

Substitution?

Answer 3

All it says is:For the following system, use the second equation to make a substitution for y in the first equation.

3x + y = 1
y + 4 = 5x

What is the resulting equation?

Answer 4

Take a look at this: https://www.khanacademy.org/math/8th-engage-ny/engage-8th-module-4/8th-module-4-topic-d/v/the-substitution-method

If you need more help just tag me!

Answer 5

Arrange your x and y's on the same side first
then you elimination by subtraction

Answer 6

\[3x+y=1\]
\[-5x +y =-4\]

subtract
\[3x+y=1\]
\[5x-y=4\]

now add
8x=5

divide by 8
[\x=\frac{ 5 }{ 8 }\]