Объяснение:
3(2x+9)-2(x-2)=36
6x+27-2x+4=36
4x+31=36
4x=36-31
4x=5
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Объяснение:
3(2x+9)-2(x-2)=36
6x+27-2x+4=36
4x+31=36
4x=36-31
4x=5