21x+5=25x-10

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Solution for 21x+5=25x-10 equation:


Simplifying
21x + 5 = 25x + -10

Reorder the terms:
5 + 21x = 25x + -10

Reorder the terms:
5 + 21x = -10 + 25x

Solving
5 + 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.
5 + 21x + -25x = -10 + 25x + -25x

Combine like terms: 21x + -25x = -4x
5 + -4x = -10 + 25x + -25x

Combine like terms: 25x + -25x = 0
5 + -4x = -10 + 0
5 + -4x = -10

Add '-5' to each side of the equation.
5 + -5 + -4x = -10 + -5

Combine like terms: 5 + -5 = 0
0 + -4x = -10 + -5
-4x = -10 + -5

Combine like terms: -10 + -5 = -15
-4x = -15

Divide each side by '-4'.
x = 3.75

Simplifying
x = 3.75

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