I have two equationsa-2b=8 and 4a+3b=21 how can you solve one of these for a

Mathematics

1 answer:

Olenka [21]3 years ago

6 0

Step-by-step explanation:

You could find a number that can be multiplied by 2 and a number for a that when you subtract from the number that you multiplied by 2 can give the result of 8.

Example:

a-2b=8: a=12-2•2=8

12-4=8

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I have two equationsa-2b=8 and 4a+3b=21 how can you solve one of these for a​

I have two equationsa-2b=8 and 4a+3b=21 how can you solve one of these for a