To solve the equation \( 2x + 10 = 20 \), follow these steps:
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Subtract 10 from both sides of the equation: \[ 2x + 10 - 10 = 20 - 10 \] Simplifying gives: \[ 2x = 10 \]
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Divide both sides by 2: \[ \frac{2x}{2} = \frac{10}{2} \] This simplifies to: \[ x = 5 \]
So, the solution is \( x = 5 \).