1.

Solve for X and y if 2 x is equal to 5y + 4 and 3 X - 2y + 6 is equal to zero

Answer» 2x = 5y + 42x - 5y = 4..... (i)3x - 2y + 6 = 03x - 2y = -6 ......... (ii)Multiply (i) by 3 and (ii) by 26x - 15y = 12....... (iii)6x - 4y = - 12 .......(iv)Subtract (iv) from (iii)- 11y = 24y = -24/11Put y = -24/11 in (ii) we get3x - 2(-24/11) = -63x + 48/11 = -63x = - 6 - 48/113x = -144/11x = - 38/11


Discussion

No Comment Found