3X - 23 + 4X + 6 = 5X + 8
combining like terms, 7X - 17 = 5X + 8
subtracting 5X and adding 17 to each side, 7X - 5X = 8 + 17
Then, 2X = 25
X = 12.5
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4x+5y = 7 5y = -4x+7 y = -4/5x+7/5 in slope intercept form So the slope of the perpendicular line is plus 5/4
548
yes it is!
5x + 3y = 17 is in its simplest form because there are no alike terms to combine.
3x+4 = 5x-6 3x-5x = -6-4 -2x = -10 x = 5