y = 20x
y = 5x+2
Since y = y, just set 20x equal to 5x+2 and solve for x:
20x = 5x+2
15x = 2
x = 2/15
Check:
y = 20x = 20(2/15) = 40/15 = 8/3
y = 5x + 2 = 5(2/15) + 30/15 = 10/15 + 30/15 = 40/15 = 8/3
Thethesia W.
asked • 09/28/14y=20x and y=5x+2
I need to solve these using the substitution, addition, or elimination method. Whatever works.
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Thethesia W.
09/28/14