-3a+4+4a=15-28

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Solution for -3a+4+4a=15-28 equation:


Simplifying
-3a + 4 + 4a = 15 + -28

Reorder the terms:
4 + -3a + 4a = 15 + -28

Combine like terms: -3a + 4a = 1a
4 + 1a = 15 + -28

Combine like terms: 15 + -28 = -13
4 + 1a = -13

Solving
4 + 1a = -13

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 + 1a = -13 + -4

Combine like terms: 4 + -4 = 0
0 + 1a = -13 + -4
1a = -13 + -4

Combine like terms: -13 + -4 = -17
1a = -17

Divide each side by '1'.
a = -17

Simplifying
a = -17

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