21=4x-11x+3x

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Solution for 21=4x-11x+3x equation:


Simplifying
21 = 4x + -11x + 3x

Combine like terms: 4x + -11x = -7x
21 = -7x + 3x

Combine like terms: -7x + 3x = -4x
21 = -4x

Solving
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.
21 + 4x = -4x + 4x

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

Add '-21' to each side of the equation.
21 + -21 + 4x = 0 + -21

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

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

Divide each side by '4'.
x = -5.25

Simplifying
x = -5.25

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