Question

20) 3x – 5 = 7 - x then x =​

Answer 1

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$3x – 5 = 7 - x$

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$3x – 5 = 7 - x \\ 3x + x = 7 + 5 \\ 4x = 12 \\ x = \frac{12}{4} \\ x = 3$

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Answer 2

Answer:

Step-by-step explanation:

3x - 5 = 7 - x

3x + x = 7 + 5

4x = 12

x = 12/4

x = 3