Find the sum of following if a = 1, b = 2, c = 3 7a – 5b + 3c; 2a – b + c; 3a +2b
Answers
Answered by
5
Answer:
Step-by-step explanation:
7a-5b+3c
=7 (1)-5 (2)+3 (3)
=7-10+9
=6
2a-b+c
=2 (1)-2+3
=2-2+3
=3
3a+2b
=3 (1)+2 (2)
=3+4
=7
Answered by
1
Answer:(i) 6
(ii) 3
(iii) 7
Step-by-step explanation:(i) 7(1)-5(2)+3(3)
=7-10+9= 6
(ii)2(1)-2+3
=2-2+3= 3
(iii)3(1)+2(2)
=3+4=7
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