La diferencia entre ecuacion numérica y ecuacion algebraica con ejemplo​

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

Of four points are collinear, they are also coplanar

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.