Solve the system of equations 4x - 9y = 5 and 8x - y = - 7 by combining the equations.

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Step-by-step explanation:

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x=-1

y=-1

Step-by-step explanation:

when you substitute the value it is correct

45

step-by-step explanation:

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540