Solving an Algebric equation

In mathematics, equation solving is the problem of finding what values (numbers, functions, sets, etc.) fulfill a condition stated as an equality (an equation). Usually, this condition involves expressions with variables (or unknowns), which are to be substituted by values in order for the equality to hold. More precisely, an equation involves some free variables.

Question:

Find the value of x in the equation

-3(5 - 2x) = 15

Answer:

This Algebra help explains how to solve an equation

-3(5 - 2x) = 15

-15 + 6x = 15

+15 = +15 (Add 15 on both the sides)

6x/6 = 30/6 (divide 6 on both the sides)

Therefore x = 5

x = 5 is the answer

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