2(х+7)=9-2х
2х+14=9-2х
2х+2х=9-14
4х=5
х=-5:4
х=-1 1/4
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2(х+7)=9-2х
2х+14=9-2х
2х+2х=9-14
4х=5
х=-5:4
х=-1 1/4
2х+14=9-2х
2х+2х=9-14
4х=-5
х=
х=
х=-1,25