Question

Afla nr necunoscut 75-(8+x×6)×6=15 și (4×9+9÷x)+6×4÷3=9×5

Answer 1

75-(8+x×6)×6=15
(8+X×6)×6 = 75-15
(8+X×6)×6 = 60
8+X×6 = 60:6
8+X×6 = 10
X×6 = 10-8
X×6 = 2
X =2/6


(4×9+9÷x)+6×4÷3=9×5
(36+9:X)+24:3 = 45
(36+9:X) +8 = 45
36+9:X = 45-8
36+9:X = 37
9:X = 37-36
9:X = 1
X = 9:1
X = 9