[tex]12x+5=(x+3)*2+11\\12x+5-2x-6-11=0\\10x-12=0\\10x=12\\x=12:10\\x=1,2\\12*1,2+5=(1,2+3)*2+11\\19,4-19,4\\OTBET: x=1,2[/tex]
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[tex]12x+5=(x+3)*2+11\\12x+5-2x-6-11=0\\10x-12=0\\10x=12\\x=12:10\\x=1,2\\12*1,2+5=(1,2+3)*2+11\\19,4-19,4\\OTBET: x=1,2[/tex]