2(3+2х)=4(3-х)+26
6+4х=12-4х+26
6+4х=38-4х
4х+4х=38-6
8х=32
х=4
-4(7-х)=х-16
-28+4х=х-16
4х-х=-16+28
3х=12
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2(3+2х)=4(3-х)+26
6+4х=12-4х+26
6+4х=38-4х
4х+4х=38-6
8х=32
х=4
-4(7-х)=х-16
-28+4х=х-16
4х-х=-16+28
3х=12
х=4