-(877a)-(9+6a)-20=-(7-6a)+(-a)+6

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Solution for -(877a)-(9+6a)-20=-(7-6a)+(-a)+6 equation: 


Simplifying
-1(877a) + -1(9 + 6a) + -20 = -1(7 + -6a) + (-1a) + 6

Remove parenthesis around (877a)
-1 * 877a + -1(9 + 6a) + -20 = -1(7 + -6a) + (-1a) + 6

Multiply -1 * 877
-877a + -1(9 + 6a) + -20 = -1(7 + -6a) + (-1a) + 6
-877a + (9 * -1 + 6a * -1) + -20 = -1(7 + -6a) + (-1a) + 6
-877a + (-9 + -6a) + -20 = -1(7 + -6a) + (-1a) + 6

Reorder the terms:
-9 + -20 + -877a + -6a = -1(7 + -6a) + (-1a) + 6

Combine like terms: -9 + -20 = -29
-29 + -877a + -6a = -1(7 + -6a) + (-1a) + 6

Combine like terms: -877a + -6a = -883a
-29 + -883a = -1(7 + -6a) + (-1a) + 6
-29 + -883a = (7 * -1 + -6a * -1) + (-1a) + 6
-29 + -883a = (-7 + 6a) + (-1a) + 6

Reorder the terms:
-29 + -883a = -7 + 6 + 6a + (-1a)

Combine like terms: -7 + 6 = -1
-29 + -883a = -1 + 6a + (-1a)

Combine like terms: 6a + (-1a) = 5a
-29 + -883a = -1 + 5a

Solving
-29 + -883a = -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.
-29 + -883a + -5a = -1 + 5a + -5a

Combine like terms: -883a + -5a = -888a
-29 + -888a = -1 + 5a + -5a

Combine like terms: 5a + -5a = 0
-29 + -888a = -1 + 0
-29 + -888a = -1

Add '29' to each side of the equation.
-29 + 29 + -888a = -1 + 29

Combine like terms: -29 + 29 = 0
0 + -888a = -1 + 29
-888a = -1 + 29

Combine like terms: -1 + 29 = 28
-888a = 28

Divide each side by '-888'.
a = -0.03153153153

Simplifying
a = -0.03153153153

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