-(6-6a)-(21+5a)=-(2-6a)+(-a)+1

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Solution for -(6-6a)-(21+5a)=-(2-6a)+(-a)+1 equation:


Simplifying
-1(6 + -6a) + -1(21 + 5a) = -1(2 + -6a) + (-1a) + 1
(6 * -1 + -6a * -1) + -1(21 + 5a) = -1(2 + -6a) + (-1a) + 1
(-6 + 6a) + -1(21 + 5a) = -1(2 + -6a) + (-1a) + 1
-6 + 6a + (21 * -1 + 5a * -1) = -1(2 + -6a) + (-1a) + 1
-6 + 6a + (-21 + -5a) = -1(2 + -6a) + (-1a) + 1

Reorder the terms:
-6 + -21 + 6a + -5a = -1(2 + -6a) + (-1a) + 1

Combine like terms: -6 + -21 = -27
-27 + 6a + -5a = -1(2 + -6a) + (-1a) + 1

Combine like terms: 6a + -5a = 1a
-27 + 1a = -1(2 + -6a) + (-1a) + 1
-27 + 1a = (2 * -1 + -6a * -1) + (-1a) + 1
-27 + 1a = (-2 + 6a) + (-1a) + 1

Reorder the terms:
-27 + 1a = -2 + 1 + 6a + (-1a)

Combine like terms: -2 + 1 = -1
-27 + 1a = -1 + 6a + (-1a)

Combine like terms: 6a + (-1a) = 5a
-27 + 1a = -1 + 5a

Solving
-27 + 1a = -1 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-27 + 1a + -5a = -1 + 5a + -5a

Combine like terms: 1a + -5a = -4a
-27 + -4a = -1 + 5a + -5a

Combine like terms: 5a + -5a = 0
-27 + -4a = -1 + 0
-27 + -4a = -1

Add '27' to each side of the equation.
-27 + 27 + -4a = -1 + 27

Combine like terms: -27 + 27 = 0
0 + -4a = -1 + 27
-4a = -1 + 27

Combine like terms: -1 + 27 = 26
-4a = 26

Divide each side by '-4'.
a = -6.5

Simplifying
a = -6.5

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