J-(-13)=84

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Solution for J-(-13)=84 equation: 


Simplifying
J + -1(-13) = 84

Multiply -1 * -13
J + 13 = 84

Reorder the terms:
13 + J = 84

Solving
13 + J = 84

Solving for variable 'J'.

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

Add '-13' to each side of the equation.
13 + -13 + J = 84 + -13

Combine like terms: 13 + -13 = 0
0 + J = 84 + -13
J = 84 + -13

Combine like terms: 84 + -13 = 71
J = 71

Simplifying
J = 71

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