Question

[8(5x-3)-12]÷4+5=16
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Answer 1

Răspuns:

[8(5x-3)-12]÷4+5=16

(40x-24-12)÷4+5=16

(40x-36)÷4+5=16

10x-9+5=16

10x-4=16

10x=20

x=2

Answer 2

Răspuns:

[8·(5x-3)-12]÷4+5=16

[8·(5x-3)-12]÷4=16-5

8·(5x-3)-12=11×4

8·(5x-3)=44+12

5x-3=56:8

5x=7+3

x=10:5

x=2