Question

give the ans asap by elimination method​

Answer 1

2a + b = 7 -3a + 4b = 6

[2a + b = 7] ×3 [-3a + 4b = 6] ×2

6a + 3b = 21 -6a + 8b = 12

• ADDING BOTH, WE GET
• 11b = 33
• b = 3

• 2a + 3 = 7
• 2a = 4
• a = 2