-->2x-138=2097152
-->2x=2097152+138==2097290
-->x=2097290:2
-->x=1048645
___________________________
li-ke cho mk nhé bn
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-->2x-138=2097152
-->2x=2097152+138==2097290
-->x=2097290:2
-->x=1048645
___________________________
li-ke cho mk nhé bn
2x-138=8.9
2x - 138= 72
2x-138=72
d)2x - 138=22 32
72-x=50
2x-138=72
5.3x = 135
Câu 1: 2x-138=2mu3.3mu2
Câu 2: (2x-1)mu3-2=25
2x-2 mũ 3.3 mũ 2=138
2x - 138 = 2 mũ 3 nhân 3 mũ 2
2x-138 =23.32
2x - 138 = 2^3 . 3^2
tìm x