3x+5+2x+6+x=4x+21

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Solution for 3x+5+2x+6+x=4x+21 equation: 


Simplifying
3x + 5 + 2x + 6 + x = 4x + 21

Reorder the terms:
5 + 6 + 3x + 2x + x = 4x + 21

Combine like terms: 5 + 6 = 11
11 + 3x + 2x + x = 4x + 21

Combine like terms: 3x + 2x = 5x
11 + 5x + x = 4x + 21

Combine like terms: 5x + x = 6x
11 + 6x = 4x + 21

Reorder the terms:
11 + 6x = 21 + 4x

Solving
11 + 6x = 21 + 4x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4x' to each side of the equation.
11 + 6x + -4x = 21 + 4x + -4x

Combine like terms: 6x + -4x = 2x
11 + 2x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
11 + 2x = 21 + 0
11 + 2x = 21

Add '-11' to each side of the equation.
11 + -11 + 2x = 21 + -11

Combine like terms: 11 + -11 = 0
0 + 2x = 21 + -11
2x = 21 + -11

Combine like terms: 21 + -11 = 10
2x = 10

Divide each side by '2'.
x = 5

Simplifying
x = 5

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