-4(a-3)=-a

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Solution for -4(a-3)=-a equation:


Simplifying
-4(a + -3) = -1a

Reorder the terms:
-4(-3 + a) = -1a
(-3 * -4 + a * -4) = -1a
(12 + -4a) = -1a

Solving
12 + -4a = -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.
12 + -4a + a = -1a + a

Combine like terms: -4a + a = -3a
12 + -3a = -1a + a

Combine like terms: -1a + a = 0
12 + -3a = 0

Add '-12' to each side of the equation.
12 + -12 + -3a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -3a = 0 + -12
-3a = 0 + -12

Combine like terms: 0 + -12 = -12
-3a = -12

Divide each side by '-3'.
a = 4

Simplifying
a = 4

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