7j=8j-4

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Solution for 7j=8j-4 equation: 


Simplifying
7j = 8j + -4

Reorder the terms:
7j = -4 + 8j

Solving
7j = -4 + 8j

Solving for variable 'j'.

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

Add '-8j' to each side of the equation.
7j + -8j = -4 + 8j + -8j

Combine like terms: 7j + -8j = -1j
-1j = -4 + 8j + -8j

Combine like terms: 8j + -8j = 0
-1j = -4 + 0
-1j = -4

Divide each side by '-1'.
j = 4

Simplifying
j = 4

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