What is the value of the expression 12-15÷3+9 ?

1 answer:

7 0

12 - 15 ÷ 3 + 9

Following BODMAS = Bracket Order Division Multiplication Addition Subtraction

Division comes before Addition and Subtraction, so we carry out Division first.

12 - 15 ÷ 3 + 9, 15 ÷ 3 = 5

12 - 5 + 9

7 + 9

16

I hope you find this explanation useful.

You might be interested in

Solve each equation? (n+2) ( n+1)= 0

Delicious77 [7]

Answer:

$n=-2,\:n=-1$

Step-by-step explanation:

$\left(n+2\right)\left(n+1\right)=0\\\mathrm{Using\:the\:Zero\:Factor\:Principle:\quad \:If}\:ab=0\:\mathrm{then}\:a=0\:\mathrm{or}\:b=0\:\left(\mathrm{or\:both}\:a=0\:\mathrm{and}\:b=0\right)\\\mathrm{Solve\:}\:n+2=0:\quad n=-2\\n+2=0\\\mathrm{Subtract\:}2\mathrm{\:from\:both\:sides}\\n+2-2=0-2\\\mathrm{Simplify}\\n=-2\\\mathrm{Solve\:}\:n+1=0:\quad n=-1\\n+1=0\\\mathrm{Subtract\:}1\mathrm{\:from\:both\:sides}\\n+1-1=0-1\\Simplify\\n=-1\\$ $\mathrm{The\:solutions\:to\:the\:quadratic\:equation\:are:}\\n=-2,\:n=-1$