51+j=81

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Solution for 51+j=81 equation: 


Simplifying
51 + j = 81

Solving
51 + j = 81

Solving for variable 'j'.

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

Add '-51' to each side of the equation.
51 + -51 + j = 81 + -51

Combine like terms: 51 + -51 = 0
0 + j = 81 + -51
j = 81 + -51

Combine like terms: 81 + -51 = 30
j = 30

Simplifying
j = 30

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