(-2,1х+6,3)*(-90,8)=0

Question

(-2,1х+6,3)*(-90,8)=0

Comments

(-2,1х+6,3)*(-90,8)=0; 190,68х-572,04=0; 190,68х=572,04; х=572,04:190,68; х=3

Answer 1

(-2,1х+6,3)*(-90,8)=0 
(-2,1х+6,3) = 0
-2.1x = -6.3
x = 3

Answer 2

(-2,1х+6,3)=0
2,1х=6,3
х=3