Mathematics
huwa
2015-10-31 02:45:57
Solve the following system of linear equations. 3x + 2y = 10 2x + 3y = 15/2 No solution y = (-3/2)x + 5 x = 3, y = -1/2 x = 3, y = 1/2
ANSWERS
rawrxily22
2015-10-31 04:58:12

3x + 2y = 10 .....multiply by -2 2x + 3y = 15/2...multiply by 3 ------------------ -6x - 4y = -20 (result of multiplying by -2) 6x + 9y = 22.5 (result of multiplying by 3) -----------------add 5y = 2.5 y = 2.5/5 y = 1/2 3x + 2y = 10 3x + 2(1/2) = 10 3x + 1 = 10 3x = 10 - 1 3x = 9 x = 9/3 x = 3 solution is (3,-1/2)

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