PRACTICE SET 1.3: Q.3-1 || Linear equations in two variables || Topic: 3-CRAMERS RULE

PRACTICE SET 1.3

Q.3. Solve the following simultaneous equations using Cramer’s rule.

(1) 3x - 4y = 10 ; 4x + 3y = 5 (2) 4x + 3y - 4 = 0 ; 6x = 8 - 5y (3) x + 2y = -1 ; 2x - 3y = 12
(4) 6x - 4y = -12 ; 8x - 3y = -2
(5) 4m + 6n = 54 ; 3m + 2n = 28
(6) 2x + 3y = 2 ; x - y/2 = 1/2