Question

the additional of 7x + (-8x) is​

Answer 1

Answer:

-x

Step-by-step explanation:

7x+(-8x)

=7x-8x

= - 1x

= - x

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Answer 2

Answer:

On addition of  $7x + (-8x )$  we get sum as $-x$  .

Step-by-step explanation:

To add  :  $7x + (-8x )$

Solution :

• Addition is the arithmetic operation of adding two numbers.
• Addition rules for integer :

1. If one positive and one negative integers are to be added then operation performed is subtraction and difference obtained has sign of greater integer. i.e.   $(+)+(-)= sign \ of\ greater\ integer$

• Therefore according to above rule we add given terms .     $\Rightarrow 7x + (-8x ) = - x$  

Note :

Question for above solution most probably must be :- addition of  $7x + (-8x )$  is ?