Question

(ex2-40):23=12 urgent​

Answer 1

Răspuns:

2e-40=12·23

2e=276+40

e=316:2

e=158

Answer 2

( e × 2 - 40 ) : 23 = 12

e × 2 - 40 = 12 × 23

e × 2 - 40 = 276

e × 2 = 276 + 40

e × 2 = 316

e = 316 : 2

e = 158