-8a-2(2a-1)=-40+2a

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Solution for -8a-2(2a-1)=-40+2a equation: 


Simplifying
-8a + -2(2a + -1) = -40 + 2a

Reorder the terms:
-8a + -2(-1 + 2a) = -40 + 2a
-8a + (-1 * -2 + 2a * -2) = -40 + 2a
-8a + (2 + -4a) = -40 + 2a

Reorder the terms:
2 + -8a + -4a = -40 + 2a

Combine like terms: -8a + -4a = -12a
2 + -12a = -40 + 2a

Solving
2 + -12a = -40 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
2 + -12a + -2a = -40 + 2a + -2a

Combine like terms: -12a + -2a = -14a
2 + -14a = -40 + 2a + -2a

Combine like terms: 2a + -2a = 0
2 + -14a = -40 + 0
2 + -14a = -40

Add '-2' to each side of the equation.
2 + -2 + -14a = -40 + -2

Combine like terms: 2 + -2 = 0
0 + -14a = -40 + -2
-14a = -40 + -2

Combine like terms: -40 + -2 = -42
-14a = -42

Divide each side by '-14'.
a = 3

Simplifying
a = 3

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