5a-3=a+18

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Solution for 5a-3=a+18 equation:


Simplifying
5a + -3 = a + 18

Reorder the terms:
-3 + 5a = a + 18

Reorder the terms:
-3 + 5a = 18 + a

Solving
-3 + 5a = 18 + 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.
-3 + 5a + -1a = 18 + a + -1a

Combine like terms: 5a + -1a = 4a
-3 + 4a = 18 + a + -1a

Combine like terms: a + -1a = 0
-3 + 4a = 18 + 0
-3 + 4a = 18

Add '3' to each side of the equation.
-3 + 3 + 4a = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 4a = 18 + 3
4a = 18 + 3

Combine like terms: 18 + 3 = 21
4a = 21

Divide each side by '4'.
a = 5.25

Simplifying
a = 5.25

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