упростите выражение
2(х+3)+5(х+1)
9(7+у)+8(6+у)
4(3х+23)+7(6+5х)
12(9+8у)+3(11+6у)
2(х+3)+5(х+1)
9(7+у)+8(6+у)
4(3х+23)+7(6+5х)
12(9+8у)+3(11+6у)
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Answers & Comments
9(7+у)+8(6+у)=63+9у+48+8у=111+17у
4(3х+23)+7(6+5х)=12х+92+42+35х=47х+134
12(9+8у)+3(11+6у)=108+96у+33+18у=141+114у