When 18 is added to 6 times a certain number the result is 168. what is the number

The certain number in this word problem is 25.

In this exercise, you're required to write a mathematical (algebraic) expression and then use it solve for the unknown variable, which is the certain number N.

Translating the word problem into an algebraic expression, we have;

Rearranging the equation (collecting like terms), we have;

Certain number, N = 25

Therefore, the certain number is 25.

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g(x) is the negative form of f(x)? because whenever its the negative form it reflects its self over the x axis. idk if this is right though.

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