5a-4-8a=55

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Solution for 5a-4-8a=55 equation:


Simplifying
5a + -4 + -8a = 55

Reorder the terms:
-4 + 5a + -8a = 55

Combine like terms: 5a + -8a = -3a
-4 + -3a = 55

Solving
-4 + -3a = 55

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 = 55 + 4

Combine like terms: -4 + 4 = 0
0 + -3a = 55 + 4
-3a = 55 + 4

Combine like terms: 55 + 4 = 59
-3a = 59

Divide each side by '-3'.
a = -19.66666667

Simplifying
a = -19.66666667

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