Jaade
Jaade
02-03-2015
Mathematics
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The sum of 4 times a number and 7 is 19
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Аноним
Аноним
02-03-2015
the answer would be three 19 minus 7 equals 12 divided by 4 equals 3
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apologiabiology
apologiabiology
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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