j+j-6+15=39

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Solution for j+j-6+15=39 equation:


Simplifying
j + j + -6 + 15 = 39

Reorder the terms:
-6 + 15 + j + j = 39

Combine like terms: -6 + 15 = 9
9 + j + j = 39

Combine like terms: j + j = 2j
9 + 2j = 39

Solving
9 + 2j = 39

Solving for variable 'j'.

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

Add '-9' to each side of the equation.
9 + -9 + 2j = 39 + -9

Combine like terms: 9 + -9 = 0
0 + 2j = 39 + -9
2j = 39 + -9

Combine like terms: 39 + -9 = 30
2j = 30

Divide each side by '2'.
j = 15

Simplifying
j = 15

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