Question

3900:(10+x×15)=30 и ещё один решите плиз

Answer 1

3900:(10+15x)=30
3900:(10+15x)=30
3900/5(2+3x)=30
780/2+3x=30
780=30(2+3x)
26=2+3x
-3x=2-26
-3x=-24
x=8

Answer 2

Solving the Equation

To solve the equation 3900 / (10 + x * 15) = 30, we can follow these steps:

1. Subtract 30 from both sides of the equation to isolate the fraction. 2. Multiply both sides by the denominator to clear the fraction. 3. Solve for x.

Let's solve the equation step by step.

1. Subtract 30 from both sides: - 3900 / (10 + x * 15) - 30 = 0

2. Multiply both sides by the denominator: - 3900 = 30 * (10 + x * 15)

3. Solve for x: - 3900 = 300 + 450x - 3600 = 450x - x = 8

So, the value of x that satisfies the equation is 8.

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