-2(5a-4)=-10-a

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Solution for -2(5a-4)=-10-a equation:


Simplifying
-2(5a + -4) = -10 + -1a

Reorder the terms:
-2(-4 + 5a) = -10 + -1a
(-4 * -2 + 5a * -2) = -10 + -1a
(8 + -10a) = -10 + -1a

Solving
8 + -10a = -10 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
8 + -10a + a = -10 + -1a + a

Combine like terms: -10a + a = -9a
8 + -9a = -10 + -1a + a

Combine like terms: -1a + a = 0
8 + -9a = -10 + 0
8 + -9a = -10

Add '-8' to each side of the equation.
8 + -8 + -9a = -10 + -8

Combine like terms: 8 + -8 = 0
0 + -9a = -10 + -8
-9a = -10 + -8

Combine like terms: -10 + -8 = -18
-9a = -18

Divide each side by '-9'.
a = 2

Simplifying
a = 2

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