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german
3 years ago
9

How to write twice the sum of a number and 9 equals 7 ?

Mathematics
1 answer:
Rufina [12.5K]3 years ago
7 0
2(x+9)=7
If you wanted to simplify;
2x+18=7 (Distributive Property)
2x=-11 (Subtraction Property of Equality)
x=-11/2 (Division Property of Equality)
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