Question

0,2(3n+2)=2,6n-7,6
( -3;n )

Answer 1

0,2(3n+2)=2.6n-7.6
0.6n+0.4=2.6n-7.6
2.6n-0.6n=0.4+7.6
2n=8
n=8/2
n=4
(-3;4)