-4x+20-a=4(-x+5)+a

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Solution for -4x+20-a=4(-x+5)+a equation:


Simplifying
-4x + 20 + -1a = 4(-1x + 5) + a

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

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

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

Add '-20' to each side of the equation.
20 + -1a + -20 + -4x = 20 + a + -20 + -4x

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

Combine like terms: 20 + -20 = 0
0 + -1a + -4x = 20 + a + -20 + -4x
-1a + -4x = 20 + a + -20 + -4x

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

Combine like terms: 20 + -20 = 0
-1a + -4x = 0 + a + -4x
-1a + -4x = a + -4x

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

Combine like terms: -4x + 4x = 0
-1a + 0 = a + -4x + 4x
-1a = a + -4x + 4x

Combine like terms: -4x + 4x = 0
-1a = a + 0
-1a = a

Solving
-1a = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-1a + -1a = a + -1a

Combine like terms: -1a + -1a = -2a
-2a = a + -1a

Combine like terms: a + -1a = 0
-2a = 0

Divide each side by '-2'.
a = 0

Simplifying
a = 0

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