3a+7=43

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Solution for 3a+7=43 equation: 


Simplifying
3a + 7 = 43

Reorder the terms:
7 + 3a = 43

Solving
7 + 3a = 43

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 3a = 43 + -7

Combine like terms: 7 + -7 = 0
0 + 3a = 43 + -7
3a = 43 + -7

Combine like terms: 43 + -7 = 36
3a = 36

Divide each side by '3'.
a = 12

Simplifying
a = 12

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