3j+7=4j-2

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Solution for 3j+7=4j-2 equation:


Simplifying
3j + 7 = 4j + -2

Reorder the terms:
7 + 3j = 4j + -2

Reorder the terms:
7 + 3j = -2 + 4j

Solving
7 + 3j = -2 + 4j

Solving for variable 'j'.

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

Add '-4j' to each side of the equation.
7 + 3j + -4j = -2 + 4j + -4j

Combine like terms: 3j + -4j = -1j
7 + -1j = -2 + 4j + -4j

Combine like terms: 4j + -4j = 0
7 + -1j = -2 + 0
7 + -1j = -2

Add '-7' to each side of the equation.
7 + -7 + -1j = -2 + -7

Combine like terms: 7 + -7 = 0
0 + -1j = -2 + -7
-1j = -2 + -7

Combine like terms: -2 + -7 = -9
-1j = -9

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

Simplifying
j = 9

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