1) 3(х-7)+5х = 3х-21+5х = 8х-212) 5(2-3х)+8х = 10-15х+8х = -7х+103) 2(у+5)*4-11у = 8у+40-11у = -3у+404) 2(у-4)+10у = 2у-8+10у = 12у-85) 4х+2(0,5х+3) = 4х+х+6 = 5,5х+66) 6х-3(х-7) = 6х-3х+21 = 3х+21
1) 3(х-7)+5х = 3х-21+5х = 8х-21
2) 5(2-3х)+8х = 10-15х+8х = -7х+10
3) 2(у+5)*4-11у = 8у+40-11у = -3у+40
4) 2(у-4)+10у = 2у-8+10у = 12у-8
5) 4х+2(0,5х+3) = 4х+х+6 = 5,5х+6
6) 6х-3(х-7) = 6х-3х+21 = 3х+21