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Subjects>Sciences>Math & Arithmetic

8 plus 7x equals 20 plus 3x what is x?

Wiki User

∙ 2010-04-26 13:58:07

Best Answer

8+7x = 20+3x

7x-3x = 20-8

4x = 12

x = 3

Wiki User

∙ 2010-04-26 13:58:07

This answer is:

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Continue Learning about Math & Arithmetic

-46 equals 3x plus 7x?

-46 = 3x + 7x

What is 7x - 4 equals 3x plus 20?

x=6 hope this helps

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

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

7x plus 4 equals 3x plus 16 equals?

x=6

How do you solve 7x plus 12 equals 3x?

7x = 3x - 12 4x=-12 x=-3

Related questions

-46 equals 3x plus 7x?

-46 = 3x + 7x

What is 7x - 4 equals 3x plus 20?

x=6 hope this helps

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

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

7x plus 16 equals 3x plus 4?

7x + 16 = 3x + 4 4x = -12 x = -3

7x plus 4 equals 3x plus 16 equals?

x=6

3x plus 4x equals 84 7x equals 84?

3x + 4x = 847x = 84divide both sides by 7x = 12

How do you solve 7x plus 12 equals 3x?

7x = 3x - 12 4x=-12 x=-3

What is the answer to 7x-9 equals 3x plus 5?

7x - 9 = 3x + 5 7x - 3x - 9 = 5 7x - 3x = 5 + 9 4x = 14 x = 14/4

What is the answer to -46 equals 3x plus 7x?

x=-4.6

What is the answer to7x-12 equals x plus 2 plus 2x-3x?

simplify it, 7x-12=x+2+2x-3x 7x=2+12+3x-3x 7x=14 x=2

-3x plus 4x equals 7x?

No, that's not correct.-3x + 4x = x

7x-3 equals 3x plus 8?

7x-3=3x+8 7x-3x=8+3 4x=11 x=11/4=2.75

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