Question

81 x 9 = 801. What do you need to do to make this equation true?​

Answer 1

Answer:

Turn it upside down.

Step-by-step explanation:

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Answer 2

$\huge\bold{{\red{A}}{\blue{N}}{\red{S}}{\blue{W}}{\red{E}}{\blue{R}}{\red{❥}}}$

add 9

solving in a way of algebric expression

$\small\bold{\texttt { \red{Step\: 1} }}$

=>x+81×9=801

$\small\bold{\texttt { \red{Step\: 2} }}$

=>x+810=801

$\small\bold{\texttt { \red{Step\: 3} }}$

Subtract 801 fram 810

$\small\bold{\texttt { \red{Step\: 4} }}$

=>x=801–810

$\small\bold{\texttt { \red{Step\: 5} }}$

Now add this difference to 801

$\small\bold{\texttt { \red{Step\: 6} }}$

=>810=810

$\huge\bold{\texttt { \red{Step\: 7} }}$

=>0=0

$\huge\bold{\texttt { \red{Step\: 8} }}$

Hence,L.H.S.=R.H.S.

We found that addition of 9 will make the given statement true after multiplication.

$\color{Purple}{\large\underline{\underline\mathtt{Additional \ imformation↓↓↓}}}$

What are algebraic expressions?

➖▶Algebraic expressions represents mathematical ideas and operation in a short way using symbols and veriables.

What are constants?

➖▶A symbol in algebra which has a fixed value, i.e., whose value does not change is called a constant.

What are variables?

➖▶A symbol which can be assigned different numerical values is called a variables are denoted by the letters in english alphabets.

Hope it helped..!

Thank you...☺❤