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IrinaK [193]
3 years ago
8

Evaluate 9(4x – 15) if x = 3.

Mathematics
2 answers:
Sindrei [870]3 years ago
7 0

\implies {\blue {\boxed {\boxed {\purple {\sf {-27}}}}}}

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

\: 9 \: (4x - 15)

Plugging in the value x = 3 in the above expression, we have

➼ \: 9 \: (4 \times 3 - 15)

➼ \: 9 \: (12 - 15)

➼ \: 9 \: ( - 3)

➼ \:  - 27

<h3><u>Note</u>:-</h3>

\sf\pink{PEMDAS\: rule.}

P = Parentheses

E = Exponents

M = Multiplication

D = Division

A = Addition

S = Subtraction

\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}

4vir4ik [10]3 years ago
5 0

Answer:

-27

Step-by-step explanation:

9(4x – 15)

Substitute 3 for x

9((4)(3) - 15)

Multiply (4)(3) = 12

9 ( 12 - 15 )

Subtract 12 - 15 = -3

9(-3)

Multiply 9(-3) = -27

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