11-7x=31-21x-3

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Solution for 11-7x=31-21x-3 equation:


Simplifying
11 + -7x = 31 + -21x + -3

Reorder the terms:
11 + -7x = 31 + -3 + -21x

Combine like terms: 31 + -3 = 28
11 + -7x = 28 + -21x

Solving
11 + -7x = 28 + -21x

Solving for variable 'x'.

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

Add '21x' to each side of the equation.
11 + -7x + 21x = 28 + -21x + 21x

Combine like terms: -7x + 21x = 14x
11 + 14x = 28 + -21x + 21x

Combine like terms: -21x + 21x = 0
11 + 14x = 28 + 0
11 + 14x = 28

Add '-11' to each side of the equation.
11 + -11 + 14x = 28 + -11

Combine like terms: 11 + -11 = 0
0 + 14x = 28 + -11
14x = 28 + -11

Combine like terms: 28 + -11 = 17
14x = 17

Divide each side by '14'.
x = 1.214285714

Simplifying
x = 1.214285714

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