28-6a=4a-4(a+3)

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Solution for 28-6a=4a-4(a+3) equation:


Simplifying
28 + -6a = 4a + -4(a + 3)

Reorder the terms:
28 + -6a = 4a + -4(3 + a)
28 + -6a = 4a + (3 * -4 + a * -4)
28 + -6a = 4a + (-12 + -4a)

Reorder the terms:
28 + -6a = -12 + 4a + -4a

Combine like terms: 4a + -4a = 0
28 + -6a = -12 + 0
28 + -6a = -12

Solving
28 + -6a = -12

Solving for variable 'a'.

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

Add '-28' to each side of the equation.
28 + -28 + -6a = -12 + -28

Combine like terms: 28 + -28 = 0
0 + -6a = -12 + -28
-6a = -12 + -28

Combine like terms: -12 + -28 = -40
-6a = -40

Divide each side by '-6'.
a = 6.666666667

Simplifying
a = 6.666666667

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