7×13 = 7 times parentheses blank +3 parentheses equals seven times blank parentheses +3×7×3 equals blank plus blank equals blank

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hallpatricia927 hallpatricia927 · Answer 1 · 2018-05-03T18:03:40-04:00

do what now? I don't understand the question

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pdix05 pdix05 · Answer 2 · 2018-05-03T18:51:46-04:00

the equation is

7*13=7*(_+3)=7*(_)+3*7*3=_+_=_

the full equation is

7*13=7*(10+3)=7*(_)+3*7*3=50+41=91

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