Hich expression is equivalent to −30+(−40)+(−70) ? A.30+40+70? B.−30−(40−70) C. −(30−40)+(−70) D.−30+(−70)+(−40)

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Kyle MacFarlane · Answer 1 · 2018-05-24T13:10:36+0000

Answer:

D.-30+(-70)+(-40)

Explanation:

Given expression,

-30+(-40)+(-70)

= -30-40-70

= - 140

In option A,

30+40+70 = 140 ≠ -140,

In option B,

-30-(40-70) = -30 - (-30) = -30 + 30 = 0 ≠ -140,

In option C,

-(30-40)+(-70) = -(-10) - 70 =10 - 70 = -60 ≠ -140,

In option D,

-30+(-70)+(-40) = -30-70-40 = -140

Hich expression is equivalent to −30+(−40)+(−70) ? A.30+40+70? B.−30−(40−70) C. −(30−40)+(−70) D.−30+(−70)+(−40)

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