Question

In the equation x – 4y = 2, for what value of x will y = 0?

Answer 1

\[x-4y=2\]You want to find the value of \(x\) when \(y=0\), so put \(y=0\) in the equation and solve for \(x\):
\[x-4(0) = 2\]\[x-0=2\]\[x=\]

Answer 2

so its -2 right?

Answer 3

\[x-0=2\]From that you get \(x=-2\)?

Answer 4

Does the equation work if you substitute in \(x=-2,y=0\)? Let's find out:
\[x-4y=2\]\[-2-4(0) = 2\]\[-2-0=2\]\[-2=2\]Uh, no.

Answer 5

so its 2 0r -2

Answer 6

You have some number, \(x\).

Here's an equation:
\[x - 0 = 2\]

Translated into words, that reads: "take your number, \(x\), and subtract 0 from it. The result is 2."

What is the only value that \(x\) can have to make that sentence true?

Answer 7

2-0=2

Answer 8

right?

Answer 9

Yes.

\[x-4y=2\]\[2-4(0)=2\]\[2-0=2\]\[2=2\]