Math

Question Solve 3(9x4)3=5(x+2)3(9x-4)-3=5(x+2) for xx. Round the final answer to 6 decimal places.

Studdy Solution

STEP 1

Assumptions1. The equation is 3(9x4)3=5(x+)3(9x-4)-3=5(x+). We are solving for xx
3. The solution should be written to6 decimal places

STEP 2

First, distribute the $$ in the left-hand side of the equation.
(9x4)=27x12(9x-4)- =27x -12 -

STEP 3

implify the left-hand side of the equation.
27x123=27x1527x -12 -3 =27x -15

STEP 4

Next, distribute the $$ in the right-hand side of the equation.
(x+2)=x+10(x+2) =x +10

STEP 5

Now, we have the equation 27x15=5x+1027x -15 =5x +10.

STEP 6

To isolate xx, we need to get all terms with xx on one side of the equation and constants on the other side. Subtract 5x5x from both sides of the equation.
27x5x=15+1027x -5x =15 +10

STEP 7

implify both sides of the equation.
22x=2522x =25

STEP 8

Finally, solve for xx by dividing both sides of the equation by 2222.
x=2522x = \frac{25}{22}

STEP 9

The problem asks for the answer to be rounded to6 decimal places. So, we round 2522\frac{25}{22} to6 decimal places.
x.136364x \approx.136364So, the solution to the equation is x.136364x \approx.136364.

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