48=9a-(3a+12)

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Solution for 48=9a-(3a+12) equation:


Simplifying
48 = 9a + -1(3a + 12)

Reorder the terms:
48 = 9a + -1(12 + 3a)
48 = 9a + (12 * -1 + 3a * -1)
48 = 9a + (-12 + -3a)

Reorder the terms:
48 = -12 + 9a + -3a

Combine like terms: 9a + -3a = 6a
48 = -12 + 6a

Solving
48 = -12 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
48 + -6a = -12 + 6a + -6a

Combine like terms: 6a + -6a = 0
48 + -6a = -12 + 0
48 + -6a = -12

Add '-48' to each side of the equation.
48 + -48 + -6a = -12 + -48

Combine like terms: 48 + -48 = 0
0 + -6a = -12 + -48
-6a = -12 + -48

Combine like terms: -12 + -48 = -60
-6a = -60

Divide each side by '-6'.
a = 10

Simplifying
a = 10

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