Question

[27×25-63×2×3+(426:3+4×p):2]×6=714

Answer 1

[ 675 - 126 x 3 + ( 142 + 4 x p ) : 2 ] = 714 : 6
[ 675 - 378 + ( 142 + 4 x p ) : 2 ] = 119
( 297 + 142 + 4 x p ) = 119 x 2
( 439 + 4 x p ) = 238

Notam cu x ===== 4 x p

439 + X = 239
X = 439 - 239
X = 200

4 x p = 200
p = 200 :4
p = 50