Question

Add. 12ab, -7ab, 8ab, -6ab​

Answer 1

-13ab+20ab=7ab

Step-by-step explanation:

i hope it is happening you

Answer 2

Answer:

Q:12ab,-7ab,8ab,-6ab.

Step-by-step explanation:

1.we will write the whole question without commas :

+12ab-7ab+8ab-6ab

2.then we will write + numbers:

+12ab+8ab

3.then we will write - numbers:

+12ab+8ab-7ab-6ab

4.we will add 12+8 but male sure that ur variables should be same (ab):

+12ab+8ab-7ab-6ab

=20ab-ab

=19ab ANSWER

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