Question

Add the following
1) 3mn,-5mn,8mn,-28mn
2) p-(p- q)+2z​

Answer 1

Answer:

1. -22mn

2. 2z+q

Step-by-step explanation:

1. 3mn+(-5mn)+8mn+(-28mn)

3mn-5mn+8mn-28mn

-22mn

2. p-(p-q)+2z

p-p+q+2z

2z+q

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Answer 2

Given:

1. 3mn, -5mn, 8mn, -28mn

2. p -(p - q) + 2z

What to do?

Add the following expressions.

How to do?

First remove the brackets and next rearrange the like terms and solve the like terms then we will get the answer.

Solution:

1. 3mn, -5mn, 8mn, -28mn

3mn + (-5mn) + 8mn + (-28mn)

Remove the brackets,

⇒ 3mn - 5mn + 8mn - 28mn

Rearrange the terms,

⇒ 3mn + 8mn - 5mn - 28mn

Solve the terms,

⇒ -22mn

∴ So, the answer is -22mn.

2. p -(p - q) + 2z

p -(p - q) + 2z

Remove the brackets,

⇒ p - p + q + 2z

Solve the like terms,

⇒ q + 2z

∴ So, the answer is q +2z.