2x+45+15=(x-15)*4,求x等于?

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2x+45+15=(x-15)*4,求x等于?2x+45+15=(x-15)*4,求x等于?2x+45+15=(x-15)*4,求x等于?2x+45+15=(x-15)*42x+60=(x-15)×4

2x+45+15=(x-15)*4,求x等于?
2x+45+15=(x-15)*4,求x等于?

2x+45+15=(x-15)*4,求x等于?
2x+45+15=(x-15)*4
2x+60=(x-15)×4
2x+60=4x-60
4x-2x=60+60
2x=120
x=60