(1) (-12)*(Х+6,7)=0 (2) (26,9-Х)*8,1=0

Question

(1)
(-12)*(Х+6,7)=0 (2) (26,9-Х)*8,1=0

Answer 1

3.6x или 3.5x………………………

Answer 2

-12х+6.6=0
-12х=-6.6
х=0.55

217.89-8.1х=0
-8.1х=-217.89
х=26.9