помагите пожалуйста!!!!(срочно!!!) решите уравнение 1)5у+27=4у+21; 2)7в-11=10в+16; 3)5.6+0.6х=0.3х-1.3; 4)0.37а8.92=0.38а-3.59; 5)0.4(6х-7)=0.5(3х+7); 6)7(1.4у+1.8)-27.6=10.1у
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