3a-3(a-4)=12+5a

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Solution for 3a-3(a-4)=12+5a equation:


Simplifying
3a + -3(a + -4) = 12 + 5a

Reorder the terms:
3a + -3(-4 + a) = 12 + 5a
3a + (-4 * -3 + a * -3) = 12 + 5a
3a + (12 + -3a) = 12 + 5a

Reorder the terms:
12 + 3a + -3a = 12 + 5a

Combine like terms: 3a + -3a = 0
12 + 0 = 12 + 5a
12 = 12 + 5a

Add '-12' to each side of the equation.
12 + -12 = 12 + -12 + 5a

Combine like terms: 12 + -12 = 0
0 = 12 + -12 + 5a

Combine like terms: 12 + -12 = 0
0 = 0 + 5a
0 = 5a

Solving
0 = 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
0 + -5a = 5a + -5a
Remove the zero:
-5a = 5a + -5a

Combine like terms: 5a + -5a = 0
-5a = 0

Divide each side by '-5'.
a = 0

Simplifying
a = 0

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