j+81=9j-7

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Solution for j+81=9j-7 equation:


Simplifying
j + 81 = 9j + -7

Reorder the terms:
81 + j = 9j + -7

Reorder the terms:
81 + j = -7 + 9j

Solving
81 + j = -7 + 9j

Solving for variable 'j'.

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

Add '-9j' to each side of the equation.
81 + j + -9j = -7 + 9j + -9j

Combine like terms: j + -9j = -8j
81 + -8j = -7 + 9j + -9j

Combine like terms: 9j + -9j = 0
81 + -8j = -7 + 0
81 + -8j = -7

Add '-81' to each side of the equation.
81 + -81 + -8j = -7 + -81

Combine like terms: 81 + -81 = 0
0 + -8j = -7 + -81
-8j = -7 + -81

Combine like terms: -7 + -81 = -88
-8j = -88

Divide each side by '-8'.
j = 11

Simplifying
j = 11

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