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Subjects>Math>Math & Arithmetic

X-3 equals 2x plus 4 what is x?

Updated: 12/21/2022

Wiki User

∙ 14y ago

Best Answer

x-3 = 2x+4

add 3 to both sides

x = 2x+7

subtract 2x from both sides

-1x=7

divide both sides by -1

x=-7

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∙ 14y ago

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X3 plus x2 minus 6x plus 4?

x3 + x2 - 6x + 4 = (x - 1)(x2 + 2x - 4)

Factor Completely x3 plus 8?

x3 + 8 = x3 + 23 = (x + 2)(x2 + 2x + 22) = (x + 2)(x2 + 2x + 4)

When x3 plus 3x2-2x plus 7 is divided by x plus 1 what is the remainder?

(x3 + 3x2 - 2x + 7)/(x + 1) = x2 + 2x - 4 + 11/(x + 1)(multiply x + 1 by x2, and subtract the product from the dividend)1. x2(x + 1) = x3 + x22. (x3 + 3x2 - 2x + 7) - (x3 + x2) = x3 + 3x2 - 2x + 7 - x3 - x2 = 2x2 - 2x + 7(multiply x + 1 by 2x, and subtract the product from 2x2 - 2x + 7)1. 2x(x + 1) = 2x2 + 2x2. (2x2 - 2x + 7) - (2x2 + 2x) = 2x2 - 2x + 7 - 2x2 - 2x = -4x + 7(multiply x + 1 by -4, and subtract the product from -4x + 7)1. -4(x + 1) = -4x - 42. -4x + 7 - (-4x - 4) = -4x + 7 + 4x + 4 = 11(remainder)

What is the answer to 2x plus 5 plus x2x-1 plus 2x plus 4?

x equals 4

If x equals 4 then 2x plus 7 equals?

If x=4 then 2x+7 =

Related questions

X3 plus x2 minus 6x plus 4?

x3 + x2 - 6x + 4 = (x - 1)(x2 + 2x - 4)

Factor Completely x3 plus 8?

x3 + 8 = x3 + 23 = (x + 2)(x2 + 2x + 22) = (x + 2)(x2 + 2x + 4)

When x3 plus 3x2-2x plus 7 is divided by x plus 1 what is the remainder?

(x3 + 3x2 - 2x + 7)/(x + 1) = x2 + 2x - 4 + 11/(x + 1)(multiply x + 1 by x2, and subtract the product from the dividend)1. x2(x + 1) = x3 + x22. (x3 + 3x2 - 2x + 7) - (x3 + x2) = x3 + 3x2 - 2x + 7 - x3 - x2 = 2x2 - 2x + 7(multiply x + 1 by 2x, and subtract the product from 2x2 - 2x + 7)1. 2x(x + 1) = 2x2 + 2x2. (2x2 - 2x + 7) - (2x2 + 2x) = 2x2 - 2x + 7 - 2x2 - 2x = -4x + 7(multiply x + 1 by -4, and subtract the product from -4x + 7)1. -4(x + 1) = -4x - 42. -4x + 7 - (-4x - 4) = -4x + 7 + 4x + 4 = 11(remainder)

What is the answer to 2x plus 5 plus x2x-1 plus 2x plus 4?

x equals 4

If x equals 4 then 2x plus 7 equals?

If x=4 then 2x+7 =

How do you factor 2x4-x3 plus 16x-8?

(2x - 1)(x + 2)(x^2 - 2x + 4)

3x plus 56 equals 2x plus 4?

3x+56 = 2x+4 3x-2x = 4-56 x = -52

Factor x3 plus 8?

x3 + 8 = x3 + 23 = (x + 2)[x2 - (x)(2) + 22] = (x + 2) (x2 - 2x + 4)

2x plus 3 equals x plus 4?

Do you need this equation factored or? 2x+3=x+4?

-2x plus 4-8 equals 4?

x=-4

What type of lines are these y equals 2x plus 4 and 2y equals -4 plus 10?

parallel

If 4 3x plus 2 - x plus 5 equals -3 then x equals?

2x-4

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X-3 equals 2x plus 4 what is x?

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