Question

{[(76 xa-8): 4-96] x3-72}: 45 = 2​

Answer 1

Explicație pas cu pas:

[(76×a-8):4-96]×3-72=2×45

[(76×a-8):4-96]×3=90+72

(76×a-8):4-96=162:3

(76×a-8):4=54+96

76×a-8=150×4

76×a=600+8

a=608:76

a=8