Question

1) x-4,9=-7,8
2) 5,16-y=18,1
3)3 $frac{2}{15}$+x=-1 $frac{4}{5}$
4)-1,46+(8,98)
5)-7,6+6,5

Answer 1

x=-7.8+4.9
x=-2.9
2)y=5.16-18.1 
y=-12,94
3)x=-1  4/5-3  2/15
x=-4 14/15
4)-1.46+8.98=7.52
5)-7.6+6.5=-1.1

Answer 2

спасибо