wowwdanny wowwdanny

21-01-2021
Mathematics

contestada

Seven times the sum of a number and 3 is 9.

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katieshelton34 katieshelton34

21-01-2021

7(x+3)=9 is the formula
Distribute the 7
7x+21=9
Subtract 21 from both sides
7x=-12
Divide 7 on both sides
X=-12/7

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