41-(2x-5)=18 2x.4=128
(2x-5)=41-18 2x=128:4
2x-5=23 2x=32
2x=23+5 x=32:2
2x=28 x=16
x=28:2
x=14
a. 2 x - 5 = 41 - 18
2x - 5 = 23
2x = 23 + 5
2x = 28
x = 28 : 2
x = 14
a) 41-(2x-5)= 18 b)2x.4=128
2x-5=41-18 2x =128:4
2x-5=23 2x =32
2x =23+5 x =32:2
2x =28 x =16
x =28:2
x =14
a. 41-(2x - 5)=18
2x-5=41-18
2x-5=23
2x=23+5
2x=28
x=28/2
x=14
b. 2x.4=128
2x=128/4
2x=32
x=32/2
x=16
DẤU / NÀY LÀ CHIA NHA
41-(2x-5)=18 2x.4=128
2x-5=41-18 2x=128:4
2x-5=23 2x=32
2x=23+5 x=32:2
2x=28 x=16
x=28:2
x=14