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find the value of the expression. a = 1/3, b = 9, c= 5. expression is 12a + c - b

Find The Value Of The Expression A 13 B 9 C 5 Expression Is 12a C B class=

Sagot :

Substitute the values of the variables into the expression and then use the order of operations to evaluate the expression. Since a=1/3, b=9, and c=5 then:

[tex]12a+c-b=12(\frac{1}{3})+(5)-(9)[/tex]

The first step to simplify an expression that does not involve expressions inside parenthesis and/or roots and powers, is to solve multiplications first. Multiply 12 times 1/3:

[tex]12(\frac{1}{3})+5-9=\frac{12}{3}+5-9=4+5-9[/tex]

Then, solve for additions and substractions from left to right:

[tex]4+5-9=9-9=0[/tex]

Therefore, for the given values of the variables:

[tex]12a+c-b=12(\frac{1}{3})+5-9=0[/tex]

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