Question

Calculeaza: (axb+22):10 daca
[36:(24-a)+29]:5=7
2-170:{5x[4x7+48:(400:5:2-64:2)]}=b

Answer 1

[36:(24-a)+29]:5=7
(36:b+29):5=7
(c+29):5=7
d:5=7=> d=5x7=> d=35
c+29=35=>c=35-29=>c=6
36:b=6=> b=36:6=> b= 6 
24-a=6=> a=24-6=> a=18 

2-170:{5x[4x7+48:(400:5:2-64:2)]}=b
2-170:{5x[28+48:(40-32)]}
2-170:[5x(28+48:8)]
2-170:[5x(28+6)]
2-170:(5x34)
2-170:170
2-1=1=> b=1

(axb+22):10=?
(1x18+22):10
(18+22):10
40:10=4