5j-8=2j+7

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Solution for 5j-8=2j+7 equation:


Simplifying
5j + -8 = 2j + 7

Reorder the terms:
-8 + 5j = 2j + 7

Reorder the terms:
-8 + 5j = 7 + 2j

Solving
-8 + 5j = 7 + 2j

Solving for variable 'j'.

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

Add '-2j' to each side of the equation.
-8 + 5j + -2j = 7 + 2j + -2j

Combine like terms: 5j + -2j = 3j
-8 + 3j = 7 + 2j + -2j

Combine like terms: 2j + -2j = 0
-8 + 3j = 7 + 0
-8 + 3j = 7

Add '8' to each side of the equation.
-8 + 8 + 3j = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 3j = 7 + 8
3j = 7 + 8

Combine like terms: 7 + 8 = 15
3j = 15

Divide each side by '3'.
j = 5

Simplifying
j = 5

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