What is the Sum of 4a; - 8a and 7a ?
Answers
Answered by
3
Answer:
sum=
Step-by-step explanation:
= 4a-(-8a)-7a
=4a+8a-7a
=12a-7a
=5a.
mrk as brnlist .
Answered by
0
Answer:
3a
Step-by-step explanation:
= 4a+(-8a)+7a
= 4a-8a+7a
= -4a+7a
= +3a
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