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Mathematics

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3
2x+4=10(given equation)2x+4−4=10−4(subtract 4 from both sides)2x=6(simplify)2x2=62(divide both sides by 2)x=3(simplify)\begin{align*} 2x + 4 &= 10 && \text{(given equation)} \\ 2x + 4 - 4 &= 10 - 4 && \text{(subtract 4 from both sides)} \\ 2x &= 6 && \text{(simplify)} \\ \frac{2x}{2} &= \frac{6}{2} && \text{(divide both sides by 2)} \\ x &= 3 && \text{(simplify)} \end{align*}

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