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anonymous
 5 years ago
solve by substitution method 4x+2y=20, x=258y
anonymous
 5 years ago
solve by substitution method 4x+2y=20, x=258y

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.04x+2y=20 Plug in 258y for x in the original equation 4(258y)+2y=20 get rid of the parenthesis 10032y+2y=20 combine like terms 10030y=20 subtract 100 from both sides 30y=120 divide each side by 30 to get y alone y=4

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Now that you know what y is go ahead and go back to the original problem and plug in 4 for y to find what x is.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.04x+2y=20 4x+2(4)=20 4x+8=20 4x=28 x=7 x=7 and y=4

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0does that make sense?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yes thank you, i didnt know what do to after the 30 thank you

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0No problem just wanted to make sure you understood it:) Let me know if you need anymore help! :)
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