Question

A system of equations is shown.

{2x + 2y = 17
{4x - y = 25

What is the x-value of the solution to the system of equations?

Enter your answer in the box.

__________

Answer 1

@Vocaloid

Answer 2

Mike is that you?

Answer 3

yes i'm on another username

Answer 4

Why's that?

Answer 5

it's a long long story man, i can't explain

Answer 6

I can help you in a couple min. Switching classes.

Answer 7

i can get vocaloid, where is she ?

Answer 8

She is busy at the moment.

Answer 9

Shes probably busy, Shadow is your best bet

Answer 10

\[2x + 2y = 17 \]
\[4x - y = 25\]

I already see a variable somewhat isolated, so lets start with finding what y is equal to in the second equation.

\[4x - y = 25\]
\[4x = 25 + y\]
\[4x - 25 = y\]

Now that we know what y is equal to, we can input this value into the second equation

\[2x + 2y = 17 \]
\[2x + 2(4x - 25) = 17\]
\[2x + 8x - 50 = 17\]
Like terms

\[10x - 50 = 17\]
\[10x = 67\]
\[x = \frac{ 67 }{ 10 }\]
\[x = 6.7\]

Answer 11

6.7

Answer 12

correct ?

Answer 13

can you help me with more couple questions ?

Answer 14

Sure. Just be sure to open up a new question.

Answer 15

you're good at math ?

Answer 16

Does it appear to be so?

Answer 17

just about

Answer 18

Then lets go (: