Respuesta :

Answer:

x=10 and x-7 is the answer

Step-by-step explanation:

a)2x-7=13

2x=13+7

2x=20

x=20/2

x=10

b)3x+4=25

3x=25-4

3x=21

x=21/3

x=7

i hope it will help you

Answer:

a) [tex]x=10[/tex]

b) [tex]x=7[/tex]

Step-by-step explanation:

a)

2x-7=13

Add 7 to both sides

2x=20

Divide both sides by 2

x=10

b)

3x+4=25

Subtract 4 from both sides

3x=21

Divide both sides by 3

x=7

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