Question

cálculo
$a) 5 \times = 10$
$b)5 \times - 25 = 60$
$c ) 8 \times - 16 = 5 \times + 32$
$d) - 25 \times = - 50$
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Answer 1

Explicação passo-a-passo:

5x=10

x=10/5

x=2

5x-25=60

5x=60+25

5x=85

x=85/5

x=17

8x-16=5x+32

8x-5x=32+16

3x=48

x=48/3

x=16

-25x=-50(-1)

25x=50

x=50/25

x=2