28-4a=3(1-8a)+3a

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Solution for 28-4a=3(1-8a)+3a equation:


Simplifying
28 + -4a = 3(1 + -8a) + 3a
28 + -4a = (1 * 3 + -8a * 3) + 3a
28 + -4a = (3 + -24a) + 3a

Combine like terms: -24a + 3a = -21a
28 + -4a = 3 + -21a

Solving
28 + -4a = 3 + -21a

Solving for variable 'a'.

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

Add '21a' to each side of the equation.
28 + -4a + 21a = 3 + -21a + 21a

Combine like terms: -4a + 21a = 17a
28 + 17a = 3 + -21a + 21a

Combine like terms: -21a + 21a = 0
28 + 17a = 3 + 0
28 + 17a = 3

Add '-28' to each side of the equation.
28 + -28 + 17a = 3 + -28

Combine like terms: 28 + -28 = 0
0 + 17a = 3 + -28
17a = 3 + -28

Combine like terms: 3 + -28 = -25
17a = -25

Divide each side by '17'.
a = -1.470588235

Simplifying
a = -1.470588235

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