2007-07-06 05:59:17 · 8 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
Since y=2x, then 4(2x)+2x=150
8x+2x=150
10x=150
x=15
(and y = 30)
2007-07-06 06:02:40 · answer #1 · answered by Mr. me 2 · 0⤊ 0⤋
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Find X and Y. 2x-4y=8 2x = 4y + 8 x = 2y + 4 -4y = -2x + 8 y = 1/2x - 2 Have a good day!
2016-04-05 04:47:58 · answer #2 · answered by Irene 4 · 0⤊ 0⤋
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RE:
what is find x... 4y+2x=150 if y=2x?
2015-08-18 18:35:16 · answer #3 · answered by Issiah 1 · 0⤊ 0⤋
15
2007-07-06 06:05:45 · answer #4 · answered by angel_in_disguise930 2 · 2⤊ 0⤋
x = 15. ( put y = 2x in 4y + 2x = 150 and solve ).
2007-07-06 06:04:01 · answer #5 · answered by Anonymous · 1⤊ 0⤋
4y + 2x = 150
4(2x) + 2x =150
8x + 2x = 150
10x = 150
x = 15
2007-07-06 06:08:27 · answer #6 · answered by Just.Dako. 2 · 1⤊ 0⤋
y = 2x --- --- --- --- --- --- [1]
4y + 2x = 150 --- --- --- -[2]
4.(2x) + 2x = 150
8x + 2x = 150
10x = 150
x = 15
2007-07-06 06:30:05 · answer #7 · answered by Anonymous · 1⤊ 0⤋
8x + 2x = 150
10 x = 150
x = 15
y = 30
2007-07-06 08:11:21 · answer #8 · answered by Como 7 · 1⤊ 0⤋