Math, asked by bhupendrachaturvedi0, 8 months ago

Simplify
3a+7-12-5a

Answers

Answered by cuteprincess559

1

Answer:

2.5

Step-by-step explanation:

3a+7-12-5a=0

3a-5a+7-12=0

-2a-5=0

-2a=-5

2a=5

a=5/2

5/2=2.5

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