2. निम्नलिखित समीकरणों को ह�

1.	2. निम्नलिखित समीकरणों को हल कीजिए : 2(x+4) =12 ०3021d -42+x)=8 e 42-x)=8. e b ० आ . "~ sl \ e
Answer» (1) 2(x+4) = 12 2x + 8 = 12 2x = 4 x = 4/2 = 2 (2) 3(n-5) = 21 3n - 15 = 21 3n = 36 n = 36/3 = 12 (3) - 4(2+x) = 8 - 8 - 4x = 8 -4x = 16 x = - 16/4 = - 4 (4) 4(2-x) = 8 8 - 4x = 8 4x = 8-8 4x = 0 x = 0

2. निम्नलिखित समीकरणों को हल कीजिए : 2(x+4) =12 ०3021d -42+x)=8 e 42-x)=8. e b ० आ . "~ sl \ e

Answer»

(1) 2(x+4) = 12 2x + 8 = 12 2x = 4 x = 4/2 = 2

(2) 3(n-5) = 21 3n - 15 = 21 3n = 36 n = 36/3 = 12

(3) - 4(2+x) = 8 - 8 - 4x = 8 -4x = 16 x = - 16/4 = - 4

(4) 4(2-x) = 8 8 - 4x = 8 4x = 8-8 4x = 0 x = 0