Solve the equation 2|2x+3|=10

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1 answer

To solve the equation \(2|2x + 3| = 10\), we first divide both sides by 2:

\[ |2x + 3| = 5 \]

Now, we will consider the two cases for the absolute value.

Case 1: \(2x + 3 = 5\)

To solve for \(x\):

\[ 2x + 3 = 5 \] \[ 2x = 5 - 3 \] \[ 2x = 2 \] \[ x = 1 \]

Case 2: \(2x + 3 = -5\)

To solve for \(x\) again:

\[ 2x + 3 = -5 \] \[ 2x = -5 - 3 \] \[ 2x = -8 \] \[ x = -4 \]

So the solutions to the equation \(2|2x + 3| = 10\) are:

\[ x = 1 \quad \text{and} \quad x = -4 \]

Thus, the final answers are:

\[ x = 1 \] \[ x = -4 \]