34) 6х-(4х-5)=3х-4 35) 7(х+1)=5(2х-1) 36) 3(4-у)=9(3у+8) - вопрос №3464534357152136349383753249857323 от sofiyakasheeva 15.11.2022 22:26

Question

Алгебра: 34) 6х-(4х-5)=3х-4 35) 7(х+1)=5(2х-1) 36) 3(4-у)=9(3у+8) 37) -5(-х+3)=2(-х-4) решите

sofiyakasheeva · Answer

6х-(4х-5)=3х-46x-4x+5=3x-46x-4x-3x=-4-5-x=-9x=97(х+1)=5(2х-1)7x+7=10x-57x-10x=-5-7-3x=-12x=43(4-у)=9(3у+8)12-3y=27y+72-3y-27y=72-12-30y=60y=-2-5(-х+3)=2(-х-4)-5x-15=-2x-8-5x-2x=-8+15-7x=7x=-1...