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True [87]
4 years ago
10

Solve the proportion to determine the value of x. 2x / 5 = x+3 / 3

Mathematics
1 answer:
ale4655 [162]4 years ago
4 0
When you solve a proportion, your first step should be to cross-multiply.

\frac{2x}{5} = \frac{x + 3}{3}

When you cross-multiply, you should get this equation:

(2x)(3) = (x + 3)(5)

Now, solve it using algebra.

(2x)(3) = (x + 3)(5)       Multiply
       6x = 5x + 15         Subtract 5x from both sides
         x = 15

The value of x is 15.
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hope this helps leave a 5-rate and thanks!
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