7a+3=31

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Solution for 7a+3=31 equation: 


Simplifying
7a + 3 = 31

Reorder the terms:
3 + 7a = 31

Solving
3 + 7a = 31

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 7a = 31 + -3

Combine like terms: 3 + -3 = 0
0 + 7a = 31 + -3
7a = 31 + -3

Combine like terms: 31 + -3 = 28
7a = 28

Divide each side by '7'.
a = 4

Simplifying
a = 4

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