2/3 = 4/6
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11 + 7 + 5 = 23
23 in fraction = 23/1
An equation is equal if you have a math problem on each side of an equal sign.
Let x be the unknown. 30% * x = 23 Recall 100% =1. Then 0.3 * x = 23. Divide both sides of the equation by 0.3. x = 23 / 0.3 = 76.67 =====================
If it doesn't have an equal sign, then it's not an equation.