10x-1=5x-21

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Solution for 10x-1=5x-21 equation:


Simplifying
10x + -1 = 5x + -21

Reorder the terms:
-1 + 10x = 5x + -21

Reorder the terms:
-1 + 10x = -21 + 5x

Solving
-1 + 10x = -21 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-1 + 10x + -5x = -21 + 5x + -5x

Combine like terms: 10x + -5x = 5x
-1 + 5x = -21 + 5x + -5x

Combine like terms: 5x + -5x = 0
-1 + 5x = -21 + 0
-1 + 5x = -21

Add '1' to each side of the equation.
-1 + 1 + 5x = -21 + 1

Combine like terms: -1 + 1 = 0
0 + 5x = -21 + 1
5x = -21 + 1

Combine like terms: -21 + 1 = -20
5x = -20

Divide each side by '5'.
x = -4

Simplifying
x = -4

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