-(20.5-17.9)+(5.2-3.7)
Remove parentheses.
-(20.5-17.9)+5.2-3.7
Subtract 17.9 from 20.5.
-1⋅2.6+5.2-3.7
Multiply -1 by 2.6.
-2.6+5.2-3.7
-2.6+5.2-3.7
Add -2.6 and 5.2.
2.6-3.7
Subtract 3.7 from 2.6.
-1.1
-1.1
Evaluate -(20.5-17.9)+(5.2-3.7)
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