The product of 7 and a number, increased by 3, is equal to twice the number, subtracted from 39. find the number.

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What is the value of x when x + 7 = 21?

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =