Question

$3x - 5y = 4 \\ \\ 9x - 2y = - 7$
by elimination method

Answer 1

3x -5y=4 multiply by 3
9x-2y=-7 multiply by 1
u will get
9x-15y=12eq.1
9x-2y=-7eq.2
substract 1-2
u will get -13y =19
y=-13/19
x will get by suvbstituting the value of y

Answer 2

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