54j-81=63j-90

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Solution for 54j-81=63j-90 equation:


Simplifying
54j + -81 = 63j + -90

Reorder the terms:
-81 + 54j = 63j + -90

Reorder the terms:
-81 + 54j = -90 + 63j

Solving
-81 + 54j = -90 + 63j

Solving for variable 'j'.

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

Add '-63j' to each side of the equation.
-81 + 54j + -63j = -90 + 63j + -63j

Combine like terms: 54j + -63j = -9j
-81 + -9j = -90 + 63j + -63j

Combine like terms: 63j + -63j = 0
-81 + -9j = -90 + 0
-81 + -9j = -90

Add '81' to each side of the equation.
-81 + 81 + -9j = -90 + 81

Combine like terms: -81 + 81 = 0
0 + -9j = -90 + 81
-9j = -90 + 81

Combine like terms: -90 + 81 = -9
-9j = -9

Divide each side by '-9'.
j = 1

Simplifying
j = 1

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