9a-(4a-28)=3

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Solution for 9a-(4a-28)=3 equation:


Simplifying
9a + -1(4a + -28) = 3

Reorder the terms:
9a + -1(-28 + 4a) = 3
9a + (-28 * -1 + 4a * -1) = 3
9a + (28 + -4a) = 3

Reorder the terms:
28 + 9a + -4a = 3

Combine like terms: 9a + -4a = 5a
28 + 5a = 3

Solving
28 + 5a = 3

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 + 5a = 3 + -28

Combine like terms: 28 + -28 = 0
0 + 5a = 3 + -28
5a = 3 + -28

Combine like terms: 3 + -28 = -25
5a = -25

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

Simplifying
a = -5

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