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Subjects>Math>Math & Arithmetic

2x plus 21 equals 9x - 7?

Updated: 12/21/2022

Wiki User

∙ 15y ago

Best Answer

2x + 21 = 9 x - 7

Add 7 to each side

2x + 21 = 9x

Subtract 2x from each side

21 = 7x

Divide each side by 7

3 = x

Sorted.

Wiki User

∙ 15y ago

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2X plus 2X plus 9X equals?

it equals 13X.

2x plus 7x equals?

It is 9x

2x plus 24 equals 9x-39?

2x + 24 = 9x - 39= 2x + 63 = 9x= 63 = 7x= x = 9

Solve 2x plus 5x-1 equals 9x?

2x + 5x - 1 = 9x 7x - 1 = 9x -1 = 9x - 7x -1 = 2x -1/2=x

What is the answer to 9x plus 3-2x equals -11?

X= -2

Related questions

2X plus 2X plus 9X equals?

it equals 13X.

What is 2X plus equals 9X?

2x + ? = 9x9x - 2x = 7xso...2x + 7x = 9x

2x plus 7x equals?

It is 9x

2x plus 3 equals 9x equals?

khjgfsddfghjfghjk

2x plus 24 equals 9x-39?

2x + 24 = 9x - 39= 2x + 63 = 9x= 63 = 7x= x = 9

Solve 2x plus 3 equals 9 x equals?

2x+3=9x 3=9x-2x 3=7x x=3/7

How do you slove 2x plus 3 equals 9x?

2x+3=9x-2x -2x3=7x/7 /73/7=x

Solve 2x plus 5x-1 equals 9x?

2x + 5x - 1 = 9x 7x - 1 = 9x -1 = 9x - 7x -1 = 2x -1/2=x

What is the answer to 9x plus 3-2x equals -11?

X= -2

How can you get coefficients that are equal for y. 3x plus 5y equals 7 2x plus 15y equals 11?

Multiply the first equation by 3 to give 9x + 15y = 21

How do you solve 2x plus 3 equals 9X equals?

2x + 3 = 9x Subtract 2x from both sides: 3 = 7x Divide both sides by 7: 3/7 = x

What is 9x plus 5 equals 7x plus 11?

2x+5=11 2x=6 x=3

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