4a-31=7

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Solution for 4a-31=7 equation: 


Simplifying
4a + -31 = 7

Reorder the terms:
-31 + 4a = 7

Solving
-31 + 4a = 7

Solving for variable 'a'.

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

Add '31' to each side of the equation.
-31 + 31 + 4a = 7 + 31

Combine like terms: -31 + 31 = 0
0 + 4a = 7 + 31
4a = 7 + 31

Combine like terms: 7 + 31 = 38
4a = 38

Divide each side by '4'.
a = 9.5

Simplifying
a = 9.5

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