8.1=5J-7

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Solution for 8.1=5J-7 equation: 


Simplifying
8.1 = 5J + -7

Reorder the terms:
8.1 = -7 + 5J

Solving
8.1 = -7 + 5J

Solving for variable 'J'.

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

Add '-5J' to each side of the equation.
8.1 + -5J = -7 + 5J + -5J

Combine like terms: 5J + -5J = 0
8.1 + -5J = -7 + 0
8.1 + -5J = -7

Add '-8.1' to each side of the equation.
8.1 + -8.1 + -5J = -7 + -8.1

Combine like terms: 8.1 + -8.1 = 0.0
0.0 + -5J = -7 + -8.1
-5J = -7 + -8.1

Combine like terms: -7 + -8.1 = -15.1
-5J = -15.1

Divide each side by '-5'.
J = 3.02

Simplifying
J = 3.02

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