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slope intercept form is
y = mx + b
2x-y = 9
add y to both sides
2x = y + 9
subtract 9 from both sides
2x-9 = y
y = 2x -9 ( slope m =2; intercept b = 9)
2xy=2*30*2=120
15xy-2xy-7x+x=13xy-6x
No, it equals -2xy. lrn2math
√18xy = √(9*2xy) = √9*√2xy = 3*√(2xy)
Y=15/(2c+2x)