7j+2=9j-4

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Solution for 7j+2=9j-4 equation:


Simplifying
7j + 2 = 9j + -4

Reorder the terms:
2 + 7j = 9j + -4

Reorder the terms:
2 + 7j = -4 + 9j

Solving
2 + 7j = -4 + 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.
2 + 7j + -9j = -4 + 9j + -9j

Combine like terms: 7j + -9j = -2j
2 + -2j = -4 + 9j + -9j

Combine like terms: 9j + -9j = 0
2 + -2j = -4 + 0
2 + -2j = -4

Add '-2' to each side of the equation.
2 + -2 + -2j = -4 + -2

Combine like terms: 2 + -2 = 0
0 + -2j = -4 + -2
-2j = -4 + -2

Combine like terms: -4 + -2 = -6
-2j = -6

Divide each side by '-2'.
j = 3

Simplifying
j = 3

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