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{[(×-8)•7+6-5]-4}•3-2=10

Răspuns :

Georgiana10

{[7x-56+1]-4}·3-2=10

{7x-55-4}·3-2=10

{7x-59}·3=10+2

7x-59=12:3

7x-59=4

7x=4+59

x=63:7

x=9

Marandrada
{[(x-8)×7+6-5]-4}×3-2=10
{[(x-8)×7+6-5]-4}×3=12
[(x-8)×7+6-5]-4=4
(x-8)×7+6-5=8
(x-8)×7+6=13
(x-8)×7=7
x-8=1
x=1+8
x=9

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