Question

6x-5y=10.5
5x-3y= -2
Solve by elimination method

Answer 1

Explanation:

Given,

6x - 5y = 10.5 .............. (1)

5x - 3y = -2 .................. (2)

Multiplying eq (1) by 3 and (2) by 5 then subtracting,

18x - 15y = 31.5

(-) 25x - 15y = -10

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-7x = 41.5

x = - 41.5 / 7 = -83 / 14

Inserting the value of x in eq (2)

5 * (-83 / 14) - 3y = -2

y = -129 / 14

x = -83 /14 and y = -129 /14