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 one year ago
7x+4y=4
5x+8y=28
elimination/solve. multiplacation or addition subtraction.
 one year ago
7x+4y=4 5x+8y=28 elimination/solve. multiplacation or addition subtraction.

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Mertsj
 one year ago
Best ResponseYou've already chosen the best response.0Multiply the top equation by 2. Add the result to the bottom equation.

PhoenixFire
 one year ago
Best ResponseYou've already chosen the best response.12. not 2. You want to eliminate the 'y' term. then you solve the resulting equation for x. and substitute that value back into either of the first equations to get a value for y.

PhoenixFire
 one year ago
Best ResponseYou've already chosen the best response.17x+4y=4 (1) 5x+8y=28 (2) 14x8y=8 <= (1) * 2 = (3) 9x=36 <= (3) + (2) Solve for x: x=4 Now plug 4 into either (1) or (2) and solve for y.

Fireflame13
 one year ago
Best ResponseYou've already chosen the best response.0.....i have no words to express my gratitude.
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