Four less than 5 times a number is equal to 6 more than 3 times a number

2 answers:

6 0

$Hey \\ there!$

$5s - 4 = 3s + 6 \\ 5s - 3s = 4 + 6 \\ 5s - 3s = 2s \\ 4 + 6 = 10 \\ 2s = 10 \\ \frac{2s}{2} = \frac{10}{2} \\ \frac{2s}{2} = 1 (Cancel) \\ \frac{10}{2} = 5 (Keep) \\ Answer: s = 4$

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stira [4]3 years ago

3 0

You have to formulate an equation for this problem.

Let x = the number asked in the problem

5x – 4 = 3x + 6

Solve the equation.

5x – 3x = 6 + 4

2x = 10

X = 5

Therefore, the number is 5.

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2 years ago

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cestrela7 [59]

Answer:

Step-by-step explanation:

$\bigg( \frac{16}{49} \bigg)^{ - \frac{3}{2} } \\ \\ = \bigg( \frac{49}{16} \bigg)^{ \frac{3}{2} } \\ \\ = \bigg( \frac{ {7}^{2} }{ {4}^{2} } \bigg)^{ \frac{3}{2} } \\ \\ = \bigg( \frac{ {7}}{ {4} } \bigg)^{ \frac{2 \times 3}{2} } \\ \\ = \bigg( \frac{ {7}}{ {4} } \bigg)^{ 3} \\ \\ = \frac{343}{64} \\$