4(x-5)-1=x

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Solution for 4(x-5)-1=x equation:


Simplifying
4(x + -5) + -1 = x

Reorder the terms:
4(-5 + x) + -1 = x
(-5 * 4 + x * 4) + -1 = x
(-20 + 4x) + -1 = x

Reorder the terms:
-20 + -1 + 4x = x

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

Solving
-21 + 4x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-21 + 4x + -1x = x + -1x

Combine like terms: 4x + -1x = 3x
-21 + 3x = x + -1x

Combine like terms: x + -1x = 0
-21 + 3x = 0

Add '21' to each side of the equation.
-21 + 21 + 3x = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = 0 + 21
3x = 0 + 21

Combine like terms: 0 + 21 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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