Math, asked by dritika077, 1 month ago

3. Find the sum of the following expression is. 3a + 4b - 15c, 6(a + b), 12b - 70 - 6a

Answers

Answered by EvilRage

1

Answer:

3a+22b-15c-70

Step-by-step explanation:

3a+4b-15c+6(a+b)+12b-70-6a

3a+4b-15c+6a+6b+12b-70-6a

3a+22b-15c-70

The sum is 3a+22b-15c-70

Answered by bagkakali

1

Answer:

3a+4b-15c

6a+6b

-6a+12b-7c

adding,

3a+22b-22c

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