2(a-4)=4a-2a-4

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


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

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

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

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

Add '-2a' to each side of the equation.
-8 + 2a + -2a = -4 + 2a + -2a

Combine like terms: 2a + -2a = 0
-8 + 0 = -4 + 2a + -2a
-8 = -4 + 2a + -2a

Combine like terms: 2a + -2a = 0
-8 = -4 + 0
-8 = -4

Solving
-8 = -4

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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