5a+19=a+31

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Solution for 5a+19=a+31 equation:


Simplifying
5a + 19 = a + 31

Reorder the terms:
19 + 5a = a + 31

Reorder the terms:
19 + 5a = 31 + a

Solving
19 + 5a = 31 + 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.
19 + 5a + -1a = 31 + a + -1a

Combine like terms: 5a + -1a = 4a
19 + 4a = 31 + a + -1a

Combine like terms: a + -1a = 0
19 + 4a = 31 + 0
19 + 4a = 31

Add '-19' to each side of the equation.
19 + -19 + 4a = 31 + -19

Combine like terms: 19 + -19 = 0
0 + 4a = 31 + -19
4a = 31 + -19

Combine like terms: 31 + -19 = 12
4a = 12

Divide each side by '4'.
a = 3

Simplifying
a = 3

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