21x-7=519x

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Solution for 21x-7=519x equation:


Simplifying
21x + -7 = 519x

Reorder the terms:
-7 + 21x = 519x

Solving
-7 + 21x = 519x

Solving for variable 'x'.

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

Add '-519x' to each side of the equation.
-7 + 21x + -519x = 519x + -519x

Combine like terms: 21x + -519x = -498x
-7 + -498x = 519x + -519x

Combine like terms: 519x + -519x = 0
-7 + -498x = 0

Add '7' to each side of the equation.
-7 + 7 + -498x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -498x = 0 + 7
-498x = 0 + 7

Combine like terms: 0 + 7 = 7
-498x = 7

Divide each side by '-498'.
x = -0.0140562249

Simplifying
x = -0.0140562249

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