1) 5а+10б-15-4б+4а+16=9а+6б+1
2) 14х-7у-28-15х+9у+27=-х+2у-1
3) 11к-33н+88-12к+33н-81=-к+7
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Answers & Comments
1) 5а+10б-15-4б+4а+16=9а+6б+1
2) 14х-7у-28-15х+9у+27=-х+2у-1
3) 11к-33н+88-12к+33н-81=-к+7
2.14х-7у-28-15х+9у+27=2у-х-1
3.11к-33н+88-12к+33н-81=7-к