9a+28=3a+4

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Solution for 9a+28=3a+4 equation:


Simplifying
9a + 28 = 3a + 4

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

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

Solving
28 + 9a = 4 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
28 + 9a + -3a = 4 + 3a + -3a

Combine like terms: 9a + -3a = 6a
28 + 6a = 4 + 3a + -3a

Combine like terms: 3a + -3a = 0
28 + 6a = 4 + 0
28 + 6a = 4

Add '-28' to each side of the equation.
28 + -28 + 6a = 4 + -28

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

Combine like terms: 4 + -28 = -24
6a = -24

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

Simplifying
a = -4

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