Question

Subtract the sum of 7x - 5y + 32 and - 5x – 2y + 4z
from the sum of 6x - 3y + 32 and - 4x + 5y - 7

Answer 1

Answer:

There is error in the Q. In (II) there should have been 2x - 3y = 12 5x + 3y = 9 ... 6n = –7 (5) 5x + 2y = –3; x + 5y = 4 (6) ... 10m-m-6n-(-6n)=38-(-7)⇒9m =45⇒m=459=5 ... (1) 3x – 4y = 10 ; 4x + 3y = 5 (2) 4x +