Question

Evaluate the following.
1. a + b + c when a = 5. b = 7 and c = 10
2. a - b + c when a = 15, b = 10 and c = 5
3. C + b - a when a = 10, b = 7 and c = 2
4.
2a + 3b-c when a = 2. b = 3 and c= 5
5. 3a + b-c when a = 3, b = 4 and c = 2
6. 9a + 3b - c when a = 4, b = 1 and c = 2
7. 6a - 4b + c when a = 1, b= 1 and c = 4
8. 5a - 2b + c when a = 1, b = 2 and c = 6​

Answer 1

Answer:

there will be answers

Step-by-step explanation:

1) a+b+c = 5+7+10 =12+10 = 22

2)a-b+c = 15-10+5 = 5+5 = 10

3)c+b-a = 2+7-10 = 9-10 = -1

4)2a+3b-c = 2(2)+3(3)-5 = 4+9-5 = 13-5 = 8

5)3a+b-c = 3(3)+4-2 = 9+4-2 =13-2 = 11

6)9a+3b-c = 9(4)+3(1)-2 = 36+3-2 = 39-2 = 37

7)6a-4b+c = 6(1)-4(1)+4 = 6-4+4 = 6

8)5a-2b+c = 5(1)-2(2)+6 = 5-4+6 =11-4 =7

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Answer 2

a-b+c when a=10,b=10 and c=5