2j+8=7j-7

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Solution for 2j+8=7j-7 equation:


Simplifying
2j + 8 = 7j + -7

Reorder the terms:
8 + 2j = 7j + -7

Reorder the terms:
8 + 2j = -7 + 7j

Solving
8 + 2j = -7 + 7j

Solving for variable 'j'.

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

Add '-7j' to each side of the equation.
8 + 2j + -7j = -7 + 7j + -7j

Combine like terms: 2j + -7j = -5j
8 + -5j = -7 + 7j + -7j

Combine like terms: 7j + -7j = 0
8 + -5j = -7 + 0
8 + -5j = -7

Add '-8' to each side of the equation.
8 + -8 + -5j = -7 + -8

Combine like terms: 8 + -8 = 0
0 + -5j = -7 + -8
-5j = -7 + -8

Combine like terms: -7 + -8 = -15
-5j = -15

Divide each side by '-5'.
j = 3

Simplifying
j = 3

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