21x-9=10+25x

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Solution for 21x-9=10+25x equation:


Simplifying
21x + -9 = 10 + 25x

Reorder the terms:
-9 + 21x = 10 + 25x

Solving
-9 + 21x = 10 + 25x

Solving for variable 'x'.

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

Add '-25x' to each side of the equation.
-9 + 21x + -25x = 10 + 25x + -25x

Combine like terms: 21x + -25x = -4x
-9 + -4x = 10 + 25x + -25x

Combine like terms: 25x + -25x = 0
-9 + -4x = 10 + 0
-9 + -4x = 10

Add '9' to each side of the equation.
-9 + 9 + -4x = 10 + 9

Combine like terms: -9 + 9 = 0
0 + -4x = 10 + 9
-4x = 10 + 9

Combine like terms: 10 + 9 = 19
-4x = 19

Divide each side by '-4'.
x = -4.75

Simplifying
x = -4.75

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