if you mean y=6x
then y is the same as 6 times x
if x means 3.5
then y is six times 3.5
if you can't do multiplying, add them up !
(its 21)
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start with what you know: x + y = 35 x - y = 9 add them together: x + x + y - y = 35 + 9 resolve the rest of the facts: X + X = 44 X = 22 22 + y = 35 22 + y - 22 = 35 - 22 y = 13 confirm: 22 + 13 = 35 22 - 13 = 9
-30
y = 6x2 + x -1 ?? discriminant = b2 - 4ac = 12 - 4(6)(-1) = 25
x = 10, y = 25
If you mean: y = 6x+4 then the slope is 6 and the y intercept is 4