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DragonFlame
 2 years ago
Solve, using the substitution method.
y – 2x = 8
16 + 4x = 2y
DragonFlame
 2 years ago
Solve, using the substitution method. y – 2x = 8 16 + 4x = 2y

This Question is Closed

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1y2x = 8 add 2x on both sides, what u get ?

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1now plug in y= 8+2x in 2nd equation

DragonFlame
 2 years ago
Best ResponseYou've already chosen the best response.1I thought of doing 2x=8y

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1that can work, but things will get complicated soon.

DragonFlame
 2 years ago
Best ResponseYou've already chosen the best response.1I see... I will use the way u told me than

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1correct. now think logically, when is that true

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1not impossible its like 0=0

DragonFlame
 2 years ago
Best ResponseYou've already chosen the best response.1S0 infinite number of solutions

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1you take any value of x or y 16+4x will always be = 16+4x so, yes, infinite solutions :)

DragonFlame
 2 years ago
Best ResponseYou've already chosen the best response.1yay! Thanks so much

mathmale
 2 years ago
Best ResponseYou've already chosen the best response.0Note how one of the given equations is a multiple of the other given equation. That's all the info you need to decide "infinitely many solutions."
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