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Subjects>Math>Other Math

3x -6y equals 9 5x plus 4y equals -27?

Updated: 4/28/2022

Wiki User

∙ 15y ago

Best Answer

3x - 6y = 9, 5x + 4y = -27 6x - 12y = 18, 15x + 12y = -81 21x = -63 x = -3 (3 x -3) = 9 + 6y (-9 - 9)/6 = y y = -3 Check: (5 x -3) + (4 x -3) = -15 -12 = -27 QED

Wiki User

∙ 15y ago

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Q: 3x -6y equals 9 5x plus 4y equals -27?

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Continue Learning about Other Math

What is the answer 3x equals 4y-x?

3x=4y-x 4x=4y x=y

-2x-4y plus 5x-7y equals?

Combine like terms: -2x - 4y + 5x - 7y = 3x - 11y -2x + 5x = 3x -4y + -7y = -11y

Simplify 3x plus 2y plus 2 equals 4y plus 4?

The equation can be simplified to show a value of Y in terms of X. 3X + 2Y +2 = 4Y + 4 3X + 2 = 2Y + 4 3X -2 = 2Y and 2Y = 3X - 2 means that Y = (3/2 X) -1

What is the slope of a line perpendicular to the line whose equation is 3x plus 4y equals 12?

4y= -3x + 12 y = -3/4x + 3 The perpendicular slope is 4/3

What is the solution of this system 3x plus 4y equals 5 x-4y equals 7?

Add the two equations and get 4x = 12 so x = 3 and y = -1

Related questions

3x plus 2y equals 4 -3x plus 4y equals -10?

(2, -1)

2x plus 3y equals 17and3x plus 4y equals 24then5x plus 7y equals?

2x + 3y = 17 3x + 4y = 24 (2x + 3x) + (3y + 4y) = (17 + 24) 5x + 7y = 41

What is z in the problem 3x plus 4y plus z equals 27?

You do not have enough information to solve this problem. More accurately, you do not have enough information to assign a numeric value to z. However, abstractly, you could say that z=27-3x-4y.

How do you rewrite -3X plus 4Y equals 11?

4y = 3x+11 or as y = 3/4x+11/4

Solve the system of equations 3x plus 4y equals 12 2x plus 4y equals 8?

x = 4 and y = 0

3x plus 2y equals 7 2x plus 4y equals 18?

(-1, 5)

3x plus 2y equals 7 and 2x plus 4y equals 18?

(-1, 5)

3x plus 4y equals 7 2x plus y equals 3?

(1, 1)

What is the slope of the equation 3x plus 4y equals 8?

It is:- 3x+4y = 8 4y = -3x+8 y = -0.75x+2 So the slope is -0.75 and the y intercept is 2

Is the following a linear function 3x plus 4y plus 2 equals 0?

Yes.

What the answer for this 3x plus 4y?

Oh, dude, you're hitting me with some math, huh? Well, technically, the answer for 3x + 4y is just 3x + 4y. I mean, you're not really simplifying it or anything, so that's all there is to it. Math can be a trip, man.

What is the slope to 3x plus 4y equals 12?

3x + 4y = 12 Subtract 3x from each side 4y = 12 - 3x Divide by 4 on each side y = 3 - .75x The slope is what is multiplied by "x" or -.75

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3x -6y equals 9 5x plus 4y equals -27?

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