(15-4a)=5

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Solution for (15-4a)=5 equation: 


Simplifying
(15 + -4a) = 5

Remove parenthesis around (15 + -4a)
15 + -4a = 5

Solving
15 + -4a = 5

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + -4a = 5 + -15

Combine like terms: 15 + -15 = 0
0 + -4a = 5 + -15
-4a = 5 + -15

Combine like terms: 5 + -15 = -10
-4a = -10

Divide each side by '-4'.
a = 2.5

Simplifying
a = 2.5

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