67+92+7a=243

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Solution for 67+92+7a=243 equation: 


Simplifying
67 + 92 + 7a = 243

Combine like terms: 67 + 92 = 159
159 + 7a = 243

Solving
159 + 7a = 243

Solving for variable 'a'.

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

Add '-159' to each side of the equation.
159 + -159 + 7a = 243 + -159

Combine like terms: 159 + -159 = 0
0 + 7a = 243 + -159
7a = 243 + -159

Combine like terms: 243 + -159 = 84
7a = 84

Divide each side by '7'.
a = 12

Simplifying
a = 12

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