-2a-4=6(a-1)-1

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Solution for -2a-4=6(a-1)-1 equation:


Simplifying
-2a + -4 = 6(a + -1) + -1

Reorder the terms:
-4 + -2a = 6(a + -1) + -1

Reorder the terms:
-4 + -2a = 6(-1 + a) + -1
-4 + -2a = (-1 * 6 + a * 6) + -1
-4 + -2a = (-6 + 6a) + -1

Reorder the terms:
-4 + -2a = -6 + -1 + 6a

Combine like terms: -6 + -1 = -7
-4 + -2a = -7 + 6a

Solving
-4 + -2a = -7 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
-4 + -2a + -6a = -7 + 6a + -6a

Combine like terms: -2a + -6a = -8a
-4 + -8a = -7 + 6a + -6a

Combine like terms: 6a + -6a = 0
-4 + -8a = -7 + 0
-4 + -8a = -7

Add '4' to each side of the equation.
-4 + 4 + -8a = -7 + 4

Combine like terms: -4 + 4 = 0
0 + -8a = -7 + 4
-8a = -7 + 4

Combine like terms: -7 + 4 = -3
-8a = -3

Divide each side by '-8'.
a = 0.375

Simplifying
a = 0.375

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