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Subjects>Math>Math & Arithmetic

If x equals 4 and y equals 1 then 7x plus 8y equals?

Updated: 12/9/2022

Wiki User

∙ 14y ago

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36..thats very simple..lol

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∙ 14y ago

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Q: If x equals 4 and y equals 1 then 7x plus 8y equals?

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4x plus y equals 9 7x - 8y equals 6?

(2, 1)

What is the answer to 4x plus y equals 9 and 7x-8y equals 6?

4x + y = 9 so that y = 9 - 4x 7x - 8y = 6 7x - 8*(9-4x) = 6 7x - 72 + 32x = 6 39x = 78 x = 2 Then y = 9 - 4x = 9-4*2 = 9-8 = 1

What is -8y - 7 equals -8 plus 8y?

If: -8y-7 = -8+8y Then: -7+8 = 8y+8y And: 16y = 1 So: y = 1/16

-6y plus 2 equals 8y plus 16?

y = -1

What is -3 7x plus 7?

The answer to the math problem -3 7x plus 7 is x equals 1/3.

Related questions

4x plus y equals 9 7x - 8y equals 6?

(2, 1)

What is the answer to 4x plus y equals 9 and 7x-8y equals 6?

4x + y = 9 so that y = 9 - 4x 7x - 8y = 6 7x - 8*(9-4x) = 6 7x - 72 + 32x = 6 39x = 78 x = 2 Then y = 9 - 4x = 9-4*2 = 9-8 = 1

What is -8y - 7 equals -8 plus 8y?

If: -8y-7 = -8+8y Then: -7+8 = 8y+8y And: 16y = 1 So: y = 1/16

What is 26 plus 8y-18 equals 0?

-1

-6y plus 2 equals 8y plus 16?

y = -1

What is -3 7x plus 7?

The answer to the math problem -3 7x plus 7 is x equals 1/3.

What is 8x plus 7 equals 7x plus 8?

x=1

What is y plus 3y plus 8y plus 2 equals?

12y + 2 or 2*(6y+ 1)

7x plus 5y equals 2 8x - 9y equals 17?

(1, -1)

What is 3 plus 3x plus 7x equals 13?

3+3x+7x=13 3x+7x=10 10x=10 x=1

What is the answer to 7x plus 1 equals 20?

7x + 1 = 20 7x = 19 x = 19/7 x = 2.714285 recurring (that is, 2.714285714285..)

What is 3x plus 7x-2 equals 8?

x=1

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