Four less than two-thirds of a number is equal to twice the number. What is the number
2 answers:
2/3*n-4 = 2*n
subtract 2/3 n from each side
-4 = 2n - 2/3 n
-4 = 6/3 n - 2/3 n
-4 = 4/3 n
multiply by 3/4 on each side
-4 * 3/4 = n
-3 = n
The number is -3
Answer:
n = -3
Step-by-step explanation:
Let the number be n. Then (2/3)n-4 = 2n.
Solve for n. To accomplish this, start by mult. both sides by 3, to remove the fractional coefficient: 2n - 12 = 6 n, or -12 = 4n. then n = -3 (answer)
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