13-7x=89-21x

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Solution for 13-7x=89-21x equation:


Simplifying
13 + -7x = 89 + -21x

Solving
13 + -7x = 89 + -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.
13 + -7x + 21x = 89 + -21x + 21x

Combine like terms: -7x + 21x = 14x
13 + 14x = 89 + -21x + 21x

Combine like terms: -21x + 21x = 0
13 + 14x = 89 + 0
13 + 14x = 89

Add '-13' to each side of the equation.
13 + -13 + 14x = 89 + -13

Combine like terms: 13 + -13 = 0
0 + 14x = 89 + -13
14x = 89 + -13

Combine like terms: 89 + -13 = 76
14x = 76

Divide each side by '14'.
x = 5.428571429

Simplifying
x = 5.428571429

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