11-7x=87-21x

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Solution for 11-7x=87-21x equation:


Simplifying
11 + -7x = 87 + -21x

Solving
11 + -7x = 87 + -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 = 87 + -21x + 21x

Combine like terms: -7x + 21x = 14x
11 + 14x = 87 + -21x + 21x

Combine like terms: -21x + 21x = 0
11 + 14x = 87 + 0
11 + 14x = 87

Add '-11' to each side of the equation.
11 + -11 + 14x = 87 + -11

Combine like terms: 11 + -11 = 0
0 + 14x = 87 + -11
14x = 87 + -11

Combine like terms: 87 + -11 = 76
14x = 76

Divide each side by '14'.
x = 5.428571429

Simplifying
x = 5.428571429

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