7j+8=78

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Solution for 7j+8=78 equation: 


Simplifying
7j + 8 = 78

Reorder the terms:
8 + 7j = 78

Solving
8 + 7j = 78

Solving for variable 'j'.

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

Add '-8' to each side of the equation.
8 + -8 + 7j = 78 + -8

Combine like terms: 8 + -8 = 0
0 + 7j = 78 + -8
7j = 78 + -8

Combine like terms: 78 + -8 = 70
7j = 70

Divide each side by '7'.
j = 10

Simplifying
j = 10

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