subtract a-b from 3a-b+4
Answers
Answered by
1
Answer:
3a - b + 4 -(a-b)
=3a-b+4-a+b
=3a-a-b+b+4
=2a+4
Answered by
0
Step-by-step explanation:
= 3a - b + 4 - ( a - b )
= 3a - b + 4 - a + b
= 3a - a - b + b + 4
= 2a + 4
( Sign
+ . + = +
- . - = +
+ .- = -
- .+= - )
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