10j-j-2j=7

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Solution for 10j-j-2j=7 equation: 


Simplifying
10j + -1j + -2j = 7

Combine like terms: 10j + -1j = 9j
9j + -2j = 7

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

Solving
7j = 7

Solving for variable 'j'.

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

Divide each side by '7'.
j = 1

Simplifying
j = 1

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