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How can you determine whether (3,5) is a solution to this equation 3x-y=4?

How can you determine whether (3,5) is a solution to this equation 3x-y=4?
asked 135k views
1 vote
How can you determine whether (3,5) is a solution to this equation 3x-y=4?

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User Alae Touba
by
8.3k points

2 Answers

3 votes
You would plug in the coordinate for the x and y values, like so:
3(3) - 5 = 4
And then simplify:
9 - 5 = 4
4 = 4
Looks like (3, 5) is a solution to the equation!
answered
User Bgamari
by
7.8k points
5 votes
3x-y ? 4
3(3) - 5 = ? 4
9 - 5 ? 4
4 = 4

Yes
(3,5) is a solution to this equation 3x-y=4
answered
User Saad Saadi
by
8.9k points
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