If A=3a-2b, B=-2a+3b and C=-a-b, find A+B+C and A+B-C.
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Answered by
1
Answer:
A+B+C= 0
A+B-C= 2a+2b
Step-by-step explanation:
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Answered by
1
Answer:
A=3a-2b ,B =2a+ 3b , C= a-b
Step-by-step explanation:
A + B + C
=3a - 2b + 2a + 3b + a- b
= 3a-2a+2a + 3b + 2b - b
= a + a + 5b - b
=2a +4b
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A- B-C
= 3a - 2b - 2a + 3a - a - b
= 3a -2a + a 2b - 3b - b
= a + a - b - b
= 2a - 2b
= 2(a-b)
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.I hope it's right answer and it will help you...
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