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nydimaria [60]
3 years ago
5

Nine less than 4 times a number is the same as twice the number increased by 11. What is the unknown number?

Mathematics
1 answer:
Likurg_2 [28]3 years ago
3 0
4x-9=2x+11 \\ \\ 4x-2x=11+9 \\ \\ 2x=20 \\ \\ \boxed{x=\frac{20}{2}=10}
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