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4 votes
Solve the system algebraically.

2x + y - 10 = 0
x - y - 4 = 0

What is the value of y?
its not 14/3

????

2 Answers

5 votes
I think it's 14/3 too
:)
User Dan Hensby
by
8.2k points
4 votes
2x + y - 10 = 0
x - y - 4 = 0
------------add
3x - 14 =0
3x = 14
x = 14/3

x - y - 4 = 0
14/3 - y - 4 = 0
y = 14/3 - 4
y = 4 2/3 - 4
y = 2/3

answer
y = 2/3
hope it helps
User Almathie
by
7.5k points