3a+31=70

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Solution for 3a+31=70 equation: 


Simplifying
3a + 31 = 70

Reorder the terms:
31 + 3a = 70

Solving
31 + 3a = 70

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 + 3a = 70 + -31

Combine like terms: 31 + -31 = 0
0 + 3a = 70 + -31
3a = 70 + -31

Combine like terms: 70 + -31 = 39
3a = 39

Divide each side by '3'.
a = 13

Simplifying
a = 13

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