4a+15=31

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Solution for 4a+15=31 equation: 


Simplifying
4a + 15 = 31

Reorder the terms:
15 + 4a = 31

Solving
15 + 4a = 31

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 = 31 + -15

Combine like terms: 15 + -15 = 0
0 + 4a = 31 + -15
4a = 31 + -15

Combine like terms: 31 + -15 = 16
4a = 16

Divide each side by '4'.
a = 4

Simplifying
a = 4

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