Question

Solve 2u+3v= 9uv
4u+av=21uv in elemination method

Answer 1

I DON'T KNOW SORRY

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Answer 2

Step-by-step explanation:

(2u+3v=9uv)2...1

4u+av=21uv.....2

=4u+6v=18uv....3

subtracting 3 from 2

4u +6v-4u-av=21uv-18uv

6v-av=3uv

v(6-a)=3uv

6-a=3u