Math, asked by praveen630955, 1 month ago

2a-3b=10 and 2a+5b=4

Answers

Answered by kumbharearpit9

0

Step-by-step explanation:

2a-3b=10 - ( 2a+5b=4 )

2a-2a-3b-5b = 10-4

-8b = 6

b = -6 / 8. = -3/4

Put b= -3/4 in eqn 2a+ 3b = 10

2a + 3 (-3/4) = 10

2a - 9/4 = 10

2a = 10 + 9/4

2a = 40/4 + 9/4

2a = 49/4

a = 49/4 × 1/2

a = 49/8

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