3a+4+a=28

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


Simplifying
3a + 4 + a = 28

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

Combine like terms: 3a + a = 4a
4 + 4a = 28

Solving
4 + 4a = 28

Solving for variable 'a'.

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

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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