02-03-2015
Mathematics

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The sum of 4 times a number and 7 is 19

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02-03-2015

the answer would be three 19 minus 7 equals 12 divided by 4 equals 3

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02-03-2015

so the sum of 4 times a number (4 times x or 4x) and 7 (+7) is (=) 19 (19)

4x+7=19
subtract 7 from both sdies
4x=12
divide by 4
x=3

the number is 3

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