11-7x=77-21x

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Solution for 11-7x=77-21x equation:


Simplifying
11 + -7x = 77 + -21x

Solving
11 + -7x = 77 + -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 = 77 + -21x + 21x

Combine like terms: -7x + 21x = 14x
11 + 14x = 77 + -21x + 21x

Combine like terms: -21x + 21x = 0
11 + 14x = 77 + 0
11 + 14x = 77

Add '-11' to each side of the equation.
11 + -11 + 14x = 77 + -11

Combine like terms: 11 + -11 = 0
0 + 14x = 77 + -11
14x = 77 + -11

Combine like terms: 77 + -11 = 66
14x = 66

Divide each side by '14'.
x = 4.714285714

Simplifying
x = 4.714285714

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