16 (4х-26)=224 х+27х=1204 16х-7х+38=3683 11х+8х=456
X+27x=1204 28x=1204 x=1204 : 28 х=43 16х-7х+38=3683 9х=3683-38 9х=3645 х=3645 : 9 х=405 11х+8х=456 19х=456 х=456 : 19 х=24