Question

решите уравнение 2) 178, 5 :x=21 4) y+27y=0,952 6)2,7-1,3x+3,6x=2

Answer 1

1) 8,5
4) 0,034
6) -0,3043

Answer 2

2)178,5:x=21
x=178,5:21
x= $frac{1785}{10*21}$
x=8.5
4)y+27y=0.952
28y=0.952
y=0.952:28
y=$frac{952}{1000}$:28
y=$frac{952}{1000*28}$
y=0.034
6)2.7-1.3x+3.6x=2
5x=2
x=2/5
x=0.4