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madam [21]
3 years ago
5

Ten more than half of a number is eight less than twice the number. What is the number?

Mathematics
1 answer:
Neporo4naja [7]3 years ago
8 0
Ten (10) more than (+) half (\frac{1}{2}) of a number (x) is (=) eight (8) less than (-) twice (2 x ) the number (x).

\frac{1}{2}x + 10 = 2x - 8   Multiply both sides by 2
x + 20 = 4x - 16   Subtract x from both sides
20 = 3x - 16         Add 16 to both sides
36 = 3x                Divide both sides by 3
12 = x
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