Question

Help me!



3×1,76+X=12,12
(3X+0,03):0,03=(2,4)²
2(X-4,01)-5,17=1,37

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Dau 15 puncte si coroana celui care imi rapunde corect!
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Answer 1

3×1.76+X=12.12
5.28+X=12.12
X=12.12-5.28
X=6.84

(3X+0.03)÷0.03=(2.4) la a 2
3X÷0.03+0.03÷0.03=5.76
3X÷0.03+1=5.76
3X÷0.03=4.76
3X=4.76:0.03
3X=158.67
X=15858. 67÷3
X=52.89

2 (X-4.01)-5.17=1.37
2X-8.02=6.54
2X=6.54+8.02
2X=14.56
X=14.56÷2
X=7.28