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6 votes
Which of the following is an equation in one variable?

2x + 2y

x + 2 = 4

8 = x

4 + x / 3

(x - 8) / 3 = 9

5x = 10

User Joesph
by
3.7k points

1 Answer

9 votes

x + 2 = 4

5 x = 10

because 1st one is not an equation

3rd , 4th and 5th also

User Ian McCullough
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3.3k points