Answer
$5.7x+1.1$
Work Step by Step
$(7.6x+4.7)-(1.9x+3.6)$
Distribute the $-1$ in front of the second parenthesis (it is unwritten, but understood to be there):
$7.6x+4.7-1(1.9x)+(-1)(3.6)$
Simplify:
$7.6x+4.7-1.9x-3.6$
Combine like terms:
$5.7x+1.1$
