Question

3a-2b=12 , 4a-5b=16 by substitution method

Answer 1

Answer:

a=4, b=0

Step-by-step explanation:

3a-2b=12-------------1

4a-5b=16-------------2

eqn1x4 -eqn2x3

12a-8b=48

12a-15b=48

7b=0

b=0

put the b value of 1

3a=12

a=4

Answer 2

Step-by-step explanation:

Ans - a=4 and b = 0

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