What is 14+18÷2×18-7

2 answers:

8 0

Just do PEMDAS to solve this
$parentheses \\ equation \\ multiplication \\ division \\ addition \\ subtraction$

$Problem:$ $14 + 18$ ÷ $2$ × $18 - 7$

$14 + 0 = 14
\\ \frac{18}{2} = 9
\\ 9(18) = 162 
\\ 162 - 7 = 155 
\\ 155 + 14 = 169 
\\ Answer: 169 

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Good luck on your assignment \\ and enjoy your day! 

\\ ~MeIsKaitlyn:)$

AleksAgata [21]3 years ago

6 0

Hey, there Lexi16338! :)

Make sure to follow BEDMAS
$14+18/2*18-7$

$14+9*18-7$

$14+162-7$

$176-7$

$=169$

The answer would be 169.

Hope this helps.
-Benjamin

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5-2(a+3b)/2 When a=4 and b=1.

nirvana33 [79]

Hello macelynn190!

$\huge \boxed{\mathfrak{Question} \downarrow}$

$\huge \tt \frac{5 - 2(a + 3b)}{2}$

$\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}$

To solve this question we need to substitute the given values of 'a' & 'b' in the equation & then simplify it.

Given,

a = 4
b = 1

Now, substitute this in the place of 'a' & 'b'..

$\large \tt \frac{5 - 2(a + 3b)}{2} \\ = \large \underline{\underline{\tt \: \frac{5 - 2((4) + 3(1))}{2} }}$

Lastly, simplify it...

$\large \tt \: \frac{5 - 2((4) + 3(1))}{2} \\ = \large \tt\frac{5 - 2(4 + 3)}{2} \\ = \large \tt \: \frac{5 - 2(7)}{2} \\ = \large \tt \: \frac{5 - 14}{2} \\ = \large \tt\frac{-9}{2} \\ = \large \boxed{\boxed{ \bf \: -\frac{9}{2}=-4.5}}$