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Mathematics · High School · Mon Jan 18 2021
Answered on
Given the numerical equation:
5(x + 4) = 12
Simplify.
Solution:
In order to simplify the equation, we simply distribute 5 to each value inside the parentehesis.
5(x + 4) = 12
5x + 20 = 12
Transpose 12 on the other side of the equation, hence it must be taken to note that in transposing a number, the sign changes.
5x + 20 - 12
5x + 8
In order to find for x, we simply transpose 8 on the other side of the equation, and then divide both sides by 5 to get x.
5x= - 8
5x/5 = -8/5
x = -8/5
Final answer:
Simplified form: 5x + 8
Value of x = - 8/5