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How would you solve A-B equals 381 and A plus B equals 561?

Updated: 9/19/2023

Wiki User

∙ 14y ago

Best Answer

(1) Add the two equations together & solve for A:

A - B = 381

A + B = 561

-------------------

2A + 0B = 942

2A = 942

2A/2 = 942/2

A = 471

(2) Now substitute A back into one of the original equations & solve for B:

A + B = 561

471 + B = 561

B = 561 - 471

B = 90

Wiki User

∙ 14y ago

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Continue Learning about Math & Arithmetic

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381 feet their are 3 feet to a yard. 3 times 127 equals 381.

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