Question

What is the value of a in the equation 12a - 123 = 117?

-1/2
20
2
228

Answer 1

Add 123 to both sides
Divide both sides by 12.

Answer 2

12a - 123 = 117

Add 123 and divide by 12.

Answer 3

@Nurali So I would add 123 to 12 and 123?

Answer 4

Add 123 both side what will answer

Answer 5

yes, add 123 to each of the sides.

Answer 6

\[12a - 123\color{red}{ +123 } = 117\color{red}{ +123 }\]see how I am adding?

Answer 7

12a - 123 = 117

Add both side by 123

12a-123+123=117+123

12a=240

Divide by 12

a=240/12

Answer 8

\[12a-123\color{red}{ +123 }=117\color{red}{ +123 }\]\[12a=240\]\[12a\color{red}{ \div 12 }=240\color{red}{ \div 12 }\]\[a~=~?\]

Answer 9

a is 20. @SolomonZelman @Nurali

Answer 10

Correct

Answer 11

YES!

Answer 12

Thanks guys :) @Nurali @SolomonZelman

Answer 13

YW!

Answer 14

My Pleasure.