3j-12=8j+13

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Solution for 3j-12=8j+13 equation:


Simplifying
3j + -12 = 8j + 13

Reorder the terms:
-12 + 3j = 8j + 13

Reorder the terms:
-12 + 3j = 13 + 8j

Solving
-12 + 3j = 13 + 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.
-12 + 3j + -8j = 13 + 8j + -8j

Combine like terms: 3j + -8j = -5j
-12 + -5j = 13 + 8j + -8j

Combine like terms: 8j + -8j = 0
-12 + -5j = 13 + 0
-12 + -5j = 13

Add '12' to each side of the equation.
-12 + 12 + -5j = 13 + 12

Combine like terms: -12 + 12 = 0
0 + -5j = 13 + 12
-5j = 13 + 12

Combine like terms: 13 + 12 = 25
-5j = 25

Divide each side by '-5'.
j = -5

Simplifying
j = -5

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