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3x plus 5y equals 21 -9x plus 4y equals -6?

Updated: 11/1/2022

Wiki User

∙ 14y ago

Best Answer

Multiply first equation by 3: 9x + 15y = 63

Add that and second equation: 19y = 57

Divide by 19: y = 3, so x = 2

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∙ 14y ago

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Q: 3x plus 5y equals 21 -9x plus 4y equals -6?

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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

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 and 2x plus 4y equals 18?

(-1, 5)

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

(1, 1)

Related questions

The order pair for 3x plus 5y equals 21 and -9x plus 4y equals -6?

x = 2, y = 3

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

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 plus 5y equals 21 -9x plus 4y equals -6?

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