Question

Simplify the expression.

–5z + 4n + 18z – 10n
A. 13z – 6n
B. –23z + 14n
C. 22z + 5n
D.–28z + 8n

Answer 1

I say it is B

Answer 2

It is A.

Answer 3

I can prove it too if you need me to :)

Answer 4

could you plzso i understand ?

Answer 5

?

Answer 6

Ok, so the problem is: –5z + 4n + 18z – 10n

We add or subtract all the like terms: (-5z + 18z) + (4n -10n)

=

13z + (-6n)

= 13z - 6n :)