найдите корень уравнения
1) 3(х-2)=х+2
2) 5-2(х-1)=4-х
3) (7х+1)-(9х+3)=5
4) 3,4+2у=7(у-2,3)
5) 0,2(7-2y)=2,3-0,3(y-6)
6) 2/3(1/3x-1/2)=4x+2 1/2
1) 3(х-2)=х+2
2) 5-2(х-1)=4-х
3) (7х+1)-(9х+3)=5
4) 3,4+2у=7(у-2,3)
5) 0,2(7-2y)=2,3-0,3(y-6)
6) 2/3(1/3x-1/2)=4x+2 1/2
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1) ... 3х-6=х+2; 2х=8; х=4
2)... 5 - 2х + 2 = 4 - х; -х = -3; х = 3
3) ... 7х + 1 - 9х - 3 = 5; -2х = 7; х = - 3,5
4) 3,4 + 2у = 7у - 16,1; -5у = -19,5; х = 3,9
5) 1,4 - 0,4у = 2,3 -0,3у + 1,8; -0,1у = 2,7; у = - 27
6) 2/9 х - 1/3 = 4х + 5/2; 4х - 6 = 72х + 45; -68х = 51; х = - 51/68; х = - 3/4