2(j-4)=j+7

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Solution for 2(j-4)=j+7 equation:


Simplifying
2(j + -4) = j + 7

Reorder the terms:
2(-4 + j) = j + 7
(-4 * 2 + j * 2) = j + 7
(-8 + 2j) = j + 7

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

Solving
-8 + 2j = 7 + j

Solving for variable 'j'.

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

Add '-1j' to each side of the equation.
-8 + 2j + -1j = 7 + j + -1j

Combine like terms: 2j + -1j = 1j
-8 + 1j = 7 + j + -1j

Combine like terms: j + -1j = 0
-8 + 1j = 7 + 0
-8 + 1j = 7

Add '8' to each side of the equation.
-8 + 8 + 1j = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 1j = 7 + 8
1j = 7 + 8

Combine like terms: 7 + 8 = 15
1j = 15

Divide each side by '1'.
j = 15

Simplifying
j = 15

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