3х+5 = 8х -15,
3х-8х = -15-5,
-5х = -20,
х = 4.
5х+15 = 27+3х,
5х - 3х = 27- 15,
2х = 12,
х = 6.
3у+(4-2у)=6,
3у - 2у = 6-4,
у=2.
5у-(13+у)=у+14,
5у-13-у=у+14,
5у-у-у=14+13,
3у=27,
у=9.
3(2х-4)-2(х+3)=-2,
6х-12-2х-6=-2,
6х-2х=-2+6+12,
4х=16,
х=4.
4у-3=2(7-у)+1,
4у-3=14-2у+1,
4у+2у=14+1+3,
6у=18,
у=3.
1)3x+5=8x-15
-5x=-20
x=4
2)5x+15=27+3x
2x=12
x=6
3)3y+(4-2y)=6
y=10
4)5y-(13+y)=y+14
3y=27
y=9
5)3(2x-4)-2(x+3)=-2
6x-12-2x-6=-2
4x=16
6)4y-3=2(7-y)+1
4y-3=14-2y+1
6y=18
y=3
3х+5 = 8х -15,
3х-8х = -15-5,
-5х = -20,
х = 4.
5х+15 = 27+3х,
5х - 3х = 27- 15,
2х = 12,
х = 6.
3у+(4-2у)=6,
3у - 2у = 6-4,
у=2.
5у-(13+у)=у+14,
5у-13-у=у+14,
5у-у-у=14+13,
3у=27,
у=9.
3(2х-4)-2(х+3)=-2,
6х-12-2х-6=-2,
6х-2х=-2+6+12,
4х=16,
х=4.
4у-3=2(7-у)+1,
4у-3=14-2у+1,
4у+2у=14+1+3,
6у=18,
у=3.
1)3x+5=8x-15
-5x=-20
x=4
2)5x+15=27+3x
2x=12
x=6
3)3y+(4-2y)=6
y=10
4)5y-(13+y)=y+14
3y=27
y=9
5)3(2x-4)-2(x+3)=-2
6x-12-2x-6=-2
4x=16
x=4
6)4y-3=2(7-y)+1
4y-3=14-2y+1
6y=18
y=3