zaragozaalondra41 zaragozaalondra41

23-12-2020
Mathematics

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Consider this equation: 9x - 7 - 3x + 9 = x + 7 + 5x +9. How many solutions does this equation have?
How do you know?

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LazyBun LazyBun

23-12-2020

Answer:

Explanation:

9x - 7 - 3x + 9 = x + 7 + 5x + 9
6x + 2 = 6x + 16
6x - 6x = 16 - 2
0x = 14

Thus, x has no solution because any number multiply by 0 will be 0. In this case, it cannot be 14.

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