8a-(4-a)=5a-28

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Solution for 8a-(4-a)=5a-28 equation:


Simplifying
8a + -1(4 + -1a) = 5a + -28
8a + (4 * -1 + -1a * -1) = 5a + -28
8a + (-4 + 1a) = 5a + -28

Reorder the terms:
-4 + 8a + 1a = 5a + -28

Combine like terms: 8a + 1a = 9a
-4 + 9a = 5a + -28

Reorder the terms:
-4 + 9a = -28 + 5a

Solving
-4 + 9a = -28 + 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.
-4 + 9a + -5a = -28 + 5a + -5a

Combine like terms: 9a + -5a = 4a
-4 + 4a = -28 + 5a + -5a

Combine like terms: 5a + -5a = 0
-4 + 4a = -28 + 0
-4 + 4a = -28

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

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

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

Divide each side by '4'.
a = -6

Simplifying
a = -6

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