Answer
-5.7
Work Step by Step
In order to follow order of operations, we perform addition and subtraction starting on the left and going right:
$-5.2+6.8-4.7-3.9+1.3$
=$(-5.2+6.8)-4.7-3.9+1.3$
=$(1.6)-4.7-3.9+1.3$
=$(1.6-4.7)-3.9+1.3$
=$(-3.1)-3.9+1.3$
=$(-3.1-3.9)+1.3$
=$(-7.0)+1.3$
=$-5.7$