x-1+21+x-1=4x-1

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Solution for x-1+21+x-1=4x-1 equation:


Simplifying
x + -1 + 21 + x + -1 = 4x + -1

Reorder the terms:
-1 + 21 + -1 + x + x = 4x + -1

Combine like terms: -1 + 21 = 20
20 + -1 + x + x = 4x + -1

Combine like terms: 20 + -1 = 19
19 + x + x = 4x + -1

Combine like terms: x + x = 2x
19 + 2x = 4x + -1

Reorder the terms:
19 + 2x = -1 + 4x

Solving
19 + 2x = -1 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
19 + 2x + -4x = -1 + 4x + -4x

Combine like terms: 2x + -4x = -2x
19 + -2x = -1 + 4x + -4x

Combine like terms: 4x + -4x = 0
19 + -2x = -1 + 0
19 + -2x = -1

Add '-19' to each side of the equation.
19 + -19 + -2x = -1 + -19

Combine like terms: 19 + -19 = 0
0 + -2x = -1 + -19
-2x = -1 + -19

Combine like terms: -1 + -19 = -20
-2x = -20

Divide each side by '-2'.
x = 10

Simplifying
x = 10

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