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how to solve a problem in algerbra

Find the value of 18x − 3 for the following value of x.

4/3 In my text book I am unable to find out how to solve this problem can you please show me the steps so I am able to solve the problem and others just like it.

Thank You

Angel

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1 Answer

Is the value of x = 4/3?

If so, then substitute the (4/3) into the expression and evaluate.

18(4/3) - 3

18 times (4/3) minus 3

Order of operations: parentheses, exponents, multiplication/division, addition/subtraction

Multiplication/division before addition/subtraction.

So 18 times (4/3) means 18 times 4, divided by 3 which is

(72/3) - 3

24 - 3

21