3-a=4(a+12)

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


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

Reorder the terms:
3 + -1a = 4(12 + a)
3 + -1a = (12 * 4 + a * 4)
3 + -1a = (48 + 4a)

Solving
3 + -1a = 48 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
3 + -1a + -4a = 48 + 4a + -4a

Combine like terms: -1a + -4a = -5a
3 + -5a = 48 + 4a + -4a

Combine like terms: 4a + -4a = 0
3 + -5a = 48 + 0
3 + -5a = 48

Add '-3' to each side of the equation.
3 + -3 + -5a = 48 + -3

Combine like terms: 3 + -3 = 0
0 + -5a = 48 + -3
-5a = 48 + -3

Combine like terms: 48 + -3 = 45
-5a = 45

Divide each side by '-5'.
a = -9

Simplifying
a = -9

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