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5 votes
The value of x in this system of equations is 1.

3x + y = 9
y = –4x + 10
Substitute the value of y in the first equation:
Combine like terms:
Apply the subtraction property of equality:
Apply the division property of equality:
3x + (–4x + 10) = 9
–x + 10 = 9
–x = –1
x = 1
What is the value of y?

2 Answers

5 votes

Answer:

Y=6

Explanation:

I just answered it on edg.

User DenisGL
by
5.0k points
0 votes
The value of y would be found by adding the variable value into the equation that you started with.
So y= -4(1)+10
-4+10= 6
Y=6
I hope I helped!
User Cedervall
by
5.9k points