5(3-2у)-4(9-у)=3(у+5) 14(2х-3)-5(х+4)=2(3х+5)+5х 9(3х-7)+3(8х-11)=3(9х+8) 6(7х-11)-13(х-6)=14(2х+1)

Question

Математика: 5(3-2у)-4(9-у)=3(у+5) 14(2х-3)-5(х+4)=2(3х+5)+5х 9(3х-7)+3(8х-11)=3(9х+8) 6(7х-11)-13(х-6)=14(2х+1)

sugarflower · Answer

1)15-10у-36+4у=3у+1515-10у-36+4у-3у-15=0-9у=36у=-42) 28х-42-5x-20=6x+10+5x28x-42-5x-20-6x-10-5x=012x=72x=63) 27x-63+24x-33=27x+2427x-63+24x-33-27x-24=024x=120x=54) 42x-66-13x+48=27x+1442x-66-13x+48-27x-14=02x=32x=16...

5(3-2у)-4(9-у)=3(у+5) 14(2х-3)-5(х+4)=2(3х+5)+5х 9(3х-7)+3(8х-11)=3(9х+8) 6(7х-11)-13(х-6)=14(2х+1)

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