3(a-4)-12=5(a+1)

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Solution for 3(a-4)-12=5(a+1) equation:


Simplifying
3(a + -4) + -12 = 5(a + 1)

Reorder the terms:
3(-4 + a) + -12 = 5(a + 1)
(-4 * 3 + a * 3) + -12 = 5(a + 1)
(-12 + 3a) + -12 = 5(a + 1)

Reorder the terms:
-12 + -12 + 3a = 5(a + 1)

Combine like terms: -12 + -12 = -24
-24 + 3a = 5(a + 1)

Reorder the terms:
-24 + 3a = 5(1 + a)
-24 + 3a = (1 * 5 + a * 5)
-24 + 3a = (5 + 5a)

Solving
-24 + 3a = 5 + 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.
-24 + 3a + -5a = 5 + 5a + -5a

Combine like terms: 3a + -5a = -2a
-24 + -2a = 5 + 5a + -5a

Combine like terms: 5a + -5a = 0
-24 + -2a = 5 + 0
-24 + -2a = 5

Add '24' to each side of the equation.
-24 + 24 + -2a = 5 + 24

Combine like terms: -24 + 24 = 0
0 + -2a = 5 + 24
-2a = 5 + 24

Combine like terms: 5 + 24 = 29
-2a = 29

Divide each side by '-2'.
a = -14.5

Simplifying
a = -14.5

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