4(a+5)=5+a

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Solution for 4(a+5)=5+a equation:


Simplifying
4(a + 5) = 5 + a

Reorder the terms:
4(5 + a) = 5 + a
(5 * 4 + a * 4) = 5 + a
(20 + 4a) = 5 + a

Solving
20 + 4a = 5 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
20 + 4a + -1a = 5 + a + -1a

Combine like terms: 4a + -1a = 3a
20 + 3a = 5 + a + -1a

Combine like terms: a + -1a = 0
20 + 3a = 5 + 0
20 + 3a = 5

Add '-20' to each side of the equation.
20 + -20 + 3a = 5 + -20

Combine like terms: 20 + -20 = 0
0 + 3a = 5 + -20
3a = 5 + -20

Combine like terms: 5 + -20 = -15
3a = -15

Divide each side by '3'.
a = -5

Simplifying
a = -5

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