To solve the equation \( 108 + 108 - 2x = 180 \), follow these steps:
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Combine the constants on the left side: \[ 216 - 2x = 180 \]
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Subtract 216 from both sides: \[ -2x = 180 - 216 \] \[ -2x = -36 \]
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Divide both sides by -2: \[ x = \frac{-36}{-2} \] \[ x = 18 \]
So, the solution is \( x = 18 \).