Question

[(a+138:6)×9]:6=50×2+8:4







Help my PLS!!!!​

Answer 1

Răspuns:

a = 45

Explicație pas cu pas:

[(a+138:6)×9]:6 = 50×2+8:4 <=>

[(a+23)×9]:6 = 100 + 2 =>

[(a+23)×9] : 6 = 102 =>

(a+23)×9 = 102·6 =>

(a+23)×9 = 612 =>

a+23 = 612:9 =>

a + 23 = 68 =>

a = 68-23 =>

a = 45