Question

Which equation can you use to find the value of x?

78°
3xº
(x - 2)
3x + 78 + x - 2 = 180
3x = 78
3x = 78 + x - 2
78 = x-2

Answer 1

3x = 78 + x - 2

Explanation:

I got it right on Iready :]

Answer 2

3×=78+×-2

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