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First add coefficients: * 1x + 1x = 2x Second add the other values: * 4 + 5 = 9 Put it all together!: * 1x + 1x + 4 + 5 = 2x +9 * 2x + 9

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15y ago
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Q: How do you solve the following x plus 4 plus x plus 5?
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