Question

Which of these expressions is not equivalent to the others?

9 n + 11
9n+3 +2
(4 n+ 5 ) + (3 + 8 – 6)
(4 n+ 3) + 5 n+ 8 - 6

Answer 1

Hey there!

Solve all equations

=> 9n + 11

= 9n +11

=> 9n +3 +2

=9n + 5

=> (4n +5) + (3+8-6)

= 4n + 5 + 3 + 8 - 6

= 4n + 16 -6

= 4n + 10

=> 4n+3+5n+8−6

=4n+3+5n+8+−6

Combine Like Terms:

=4n+3+5n+8+−6

=(4n+5n)+(3+8+−6)

=9n+5

Therefore, expressions that is equivalent to the others are 9n + 11 and (4 n+ 5 ) + (3 + 8 – 6)

Answer 2

9n + 11

Explanation:

Solve the following;

(4 n+ 5 ) + (3 + 8 – 6)

(4 n+ 3) + 5 n+ 8 - 6

Solve;

~~~~~~~~~~~~~~~~~~~~

(4n + 3) + 5n + 8 - 6

4n + 3 +5n + 2

9n + 5

~~~~~~~~~~~~~~~~~~~~

(4n + 5n) + (3 + 8 - 6)

9n + 5

~~~~~~~~~~~~~~~~~~~~

Hence, out of these expression 9n + 11 is not equivalent to the others

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