Question

Verify that a + (b + c) = (a+b) + c for a = -40,b=21,c=35.​

Answer 1

-40+(21+35)=(-40+21)+35

Answer 2

Verified --16=16

Step-by-step explanation:

$a +( b + c) = (a + b) + c \\ a = - 40 \: \: b = 21 \: \: c = 35 \\ - 40 + (21 + 35) = ( - 40 + 21) + 35 \\ - 40 +5 6 = -1 9 + 35 \\ 16 = 16 \: \:$

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