5a-8a+4=12-7

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Solution for 5a-8a+4=12-7 equation:


Simplifying
5a + -8a + 4 = 12 + -7

Reorder the terms:
4 + 5a + -8a = 12 + -7

Combine like terms: 5a + -8a = -3a
4 + -3a = 12 + -7

Combine like terms: 12 + -7 = 5
4 + -3a = 5

Solving
4 + -3a = 5

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 + -3a = 5 + -4

Combine like terms: 4 + -4 = 0
0 + -3a = 5 + -4
-3a = 5 + -4

Combine like terms: 5 + -4 = 1
-3a = 1

Divide each side by '-3'.
a = -0.3333333333

Simplifying
a = -0.3333333333

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