Question

a)
$x - 25 = 13$
b)
$x - 7 = 10$
c)
$2x + 4 = 20$
d)
$x/5 = 8$
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URGENTE

Answer 1

• A) X---> 38
• B) X---> 17
• C) X---> 8
• D) X---> 40

Explicação:

A)

X-25=13

X= 25+13

X---> 38

B)

X-7=10

X=7+10

X---> 17

C)

2x+4=20

2x+4-4=20-4

20-4=16

2x=16

2x/2 = 16/2

16÷2=8

X---> 8

D)

x/5=8

5×x/5=8

x=5×8

5×8=40

X---> 40

Espero que tenha te ajudado.

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