5(a-3)=20+a

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Solution for 5(a-3)=20+a equation:


Simplifying
5(a + -3) = 20 + a

Reorder the terms:
5(-3 + a) = 20 + a
(-3 * 5 + a * 5) = 20 + a
(-15 + 5a) = 20 + a

Solving
-15 + 5a = 20 + 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.
-15 + 5a + -1a = 20 + a + -1a

Combine like terms: 5a + -1a = 4a
-15 + 4a = 20 + a + -1a

Combine like terms: a + -1a = 0
-15 + 4a = 20 + 0
-15 + 4a = 20

Add '15' to each side of the equation.
-15 + 15 + 4a = 20 + 15

Combine like terms: -15 + 15 = 0
0 + 4a = 20 + 15
4a = 20 + 15

Combine like terms: 20 + 15 = 35
4a = 35

Divide each side by '4'.
a = 8.75

Simplifying
a = 8.75

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