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Are 3x-y equals 4 and y equals 3x-4 equivalent to each other?
3x - y = 4 Get y by itself to see if it is the same as y = 3x - 4: 3x = 4 + y 3x - 4 = y Therefore, 3x - y = 4 is the equivalent of y = 3x - 4.
If y equals 3x and 3x equals 15 then what number does y equal?
y = 15 (by transitivity)
If y equals 3x and 3x equals 12 then what does y equals?
Well, if 3x equals 12, then x equals 4. And if y equals 3x, then y equals 3 times 4, which is 12. So, y equals 12. Math can be a piece of cake when you break it down like that!
How do you solve for y 3x-y equals 12?
-9
3x minus y equals 9 solve for y?
3x-y=9 y=3x-9
What is the answer to y equals 3x 3x plus 4y equals 30?
y = 3x 3x + 4y = 30 3x + 4(3x) = 30 3x + 12x = 30 15x = 30 x = 2 y = 3x y = 3(2) y = 6 (2, 6)
Which line has a greater slope y equals 3x or x equals 3y?
y equals 3x has the greater slope.
Are y equals -3x plus 2 and y plus 3x equals 4 parallel?
Their graphs are.
What would be three equations parallel to y equals 3x plus 4?
y = 3x + 1 y = 3x + 2 y = 3x + 3 y = 3x
What is the slope-intercept equation for 3x - y equals 12?
3x - y = 12 is the same as 3x - 12 = y, or y = 3x - 12.
What is the slope of the line y equals 3x?
Slope=3, y-intercept=0. y=3x or y=3x+0
What is 3x y equals 4 and x y equals 0?
A pair of simultaneous eq;ns. 3x + y = 4 x + y = 0 Subtract the two eq'ns. This will eliminate 'y' 2x = 4 x = 2 Substitute this value of 'x' into either eq'n for 'y' 2 + y = 0 y = -2 or 3)2) + y = 4 6 + y = 4 y = 4 - 6 y = -2 ( again) . So the answer is ( x,y) = ( 2, -2).
