\(a,x.\left(34-23\right)+20=76\)
\(11x=76-20\)
\(11x=56\)
\(x=\frac{56}{11}\)
\(b,x-49.12+6=16+84\)
\(x-588+6=100\)
\(x=100+588-6\)
\(x=682\)
a) x . ( 34-23 ) + 20=76
x.11 + 20 = 76
x.11 = 56
x = 56/11
b) x-49.12 + 6= 16 + 84
x - 49 . 12 + 6 = 100
x - 588 + 6 = 100
x - 582 = 100
x = 682
a, x.(34-23)+20=76
x.11+20=76
x.11=76-20
x.11=56
x=56:11
x=5,1
b, x-49.12+6=16+84
x-588+6=100
x-588=100-6
x-588=94
x=94+588
x=682
a ) x. ( 34 - 23 ) + 20 = 76
x . 11 + 20 = 76
x.11 = 76 - 20
x.11=56
x = 56 : 11
x = 5,1
b) x - 49 . 12 + 6 = 16 + 84
x - 588 + 6 = 100
x - 588 = 94
x = 588 + 94
x = 682
a) x . ( 34 - 23 ) + 20 = 76
x . 11 + 20 = 76
x . 11 = 76 - 20
x . 11 = 56
x = 66 : 6
x = 11
b) x - 49 . 12 + 6 = 16 + 84
x - 49 . 12 + 6 = 100
x - 588 + 6 = 100
x - 588 = 100 - 6
x - 588 = 94
x = 94 + 588
x = 682
mình nhanh nhất
a) x . ( 34 - 23 ) + 20 = 76
x . 11 + 20 = 76
x . 11 = 76 - 20
x . 11 = 56
x = 56/11
b) x - 49 . 12 + 6 = 16 + 84
x - 588 + 6 = 100
x - 588 = 100 - 6
x - 588 = 94
x = 94 + 588
x = 682
