3x + 2 + 5x - 4 + 4x + 7 = (3x + 5x + 4x) + (2 - 4 + 7) = 12x + 5

Why Mathematicians and Trendsetters in the US Are Talking About 12x + 5—And What It Really Means
Ever stumbled across a math equation that

Why Mathematicians and Trendsetters in the US Are Talking About 12x + 5—And What It Really Means
Ever stumbled across a math equation that
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