1) 7х+2==3.528
9х=3.528
х=0.392
2)14х-6х-0.16=5.5
8х=5.66
х=0.7075
3)5у=10.62
у=2.124
4) -11х=-0.77
х=0.07
1) 7х+2х=3,528
9x-3.528=0
x=3.528/9
x=0.392
2) 14х-6х-0,16=5,5
8x-5.66=0
x=5.66/8
x=283/400
3) 5у+10,8=21,42
5y-10.62=0
y=10.62/5
y=2.124
4) 3,17-11х=2,4
0.77-11x=0
x=0.77/11
x=0.07
1) 7х+2==3.528
9х=3.528
х=0.392
2)14х-6х-0.16=5.5
8х=5.66
х=0.7075
3)5у=10.62
у=2.124
4) -11х=-0.77
х=0.07
1) 7х+2х=3,528
9x-3.528=0
x=3.528/9
x=0.392
2) 14х-6х-0,16=5,5
8x-5.66=0
x=5.66/8
x=283/400
3) 5у+10,8=21,42
5y-10.62=0
y=10.62/5
y=2.124
4) 3,17-11х=2,4
0.77-11x=0
x=0.77/11
x=0.07