Question

Ayuda porfavor!! please

Answer 1

Respuesta:

1. 3x - 4 = 11

3x = 11 + 4

3x = 15

x = 5

2. 7x - 5 = 16

7x= 16 + 5

7x = 21

x = 3

3. x + 12 = 8

x = 8 - 12

x = -4

4. 15x - 10 = 170

15x = 170 + 10

15x = 180

x = 12

5. 2x + 14 = 16

2x = 16 - 14

2x = 2

x = 1

6. 3x - 5 = 4 + x

3x - x = 4 + 5

2x = 9

x = 9/2

Explicación paso a paso:

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