Which expression simplifies to 56? A. 7 + 3 x 6-4
B. 70 - 5 = 3 + 8
C. 42 = (6 x 8)
D. 60 - (12 = 4 + 1)

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Step-by-step explanation:

None of the expressions should have an equal sign.

A. 7 + 3 x 6 - 4  = 7 + 18 - 4 = 25 - 4 = 21

B. 70 - 5 = 3 + 8

If = should be -

70 - 5 - 3 + 8  = 65 - 3 + 8 = 62 + 8 = 70

If = should be +

70 - 5 + 3 + 8 = 65 + 3 + 8 = 76

C. 42 = (6 x 8)

If = should be -

42 - (6 x 8)  = 42 - 48 = -6

If = should be +

42 + (6 x 8)  = 42 + 48 = 90

D. 60 - (12 = 4 + 1)

If = should be -

D. 60 - (12 - 4 + 1) = 60 - (8 + 1) = 60 - 8 = 51

If = should be +

D. 60 - (12 + 4 + 1) = 60 - (16 + 1) = 60 - 17 = 53

None of the expressions equal 56 even when substituting plus or minus for the equal signs.

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step-by-step explanation:

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