4 (2x+1/5)-0,3х = при х = - 6

Question

4 (2x+1/5)-0,3х = при х = - 6

Answer 1

4 (2х+1/5)-0,3х =8х+4/5-0,3х = 7,7х+4/5.
7,7*(-6) + 4/5 = -46,2 + 2= 44,2.