Question

3x+7=5x+13 ajudem pfvr pfvr

Answer 1

3x + 7 = 5x + 13

3x - 5x = 13 - 7

- 2x = 6 . (-1)

2x = - 6

x = - 6

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2

x = - 3

Answer 2

R: ×= -3

EX;

1. 3x + 7 = 5x + 13
2. 3x - 5x = 13 - 7
3. - 2x = 6 . (-1)
4. 2x = - 6
5. x = - 6
6. ---
7. 2
8. x = - 3

espero ter ajudado!!