(1)15X-30=150 (2)0.6X-35%X=125 (3)32X:
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根据题意可得:
(1)15X-30=150,
15X-30+30=150+30,
15X=180,
15X÷15=180÷15,
X=12;
(2)0.6X-35%X=125,
0.25X=125,
0.25X÷0.25=125÷0.25,
X=500;
(3)32X:
=480,1 5
32X÷
=480,1 5
32X÷
×1 5
=480×1 5
,1 5
32X=96,
32X÷32=96÷32,
X=3.