5a+4=90

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Solution for 5a+4=90 equation: 


Simplifying
5a + 4 = 90

Reorder the terms:
4 + 5a = 90

Solving
4 + 5a = 90

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 + 5a = 90 + -4

Combine like terms: 4 + -4 = 0
0 + 5a = 90 + -4
5a = 90 + -4

Combine like terms: 90 + -4 = 86
5a = 86

Divide each side by '5'.
a = 17.2

Simplifying
a = 17.2

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