j+j-12=2(j-12)+2(j-12)-4

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Solution for j+j-12=2(j-12)+2(j-12)-4 equation:


Simplifying
j + j + -12 = 2(j + -12) + 2(j + -12) + -4

Reorder the terms:
-12 + j + j = 2(j + -12) + 2(j + -12) + -4

Combine like terms: j + j = 2j
-12 + 2j = 2(j + -12) + 2(j + -12) + -4

Reorder the terms:
-12 + 2j = 2(-12 + j) + 2(j + -12) + -4
-12 + 2j = (-12 * 2 + j * 2) + 2(j + -12) + -4
-12 + 2j = (-24 + 2j) + 2(j + -12) + -4

Reorder the terms:
-12 + 2j = -24 + 2j + 2(-12 + j) + -4
-12 + 2j = -24 + 2j + (-12 * 2 + j * 2) + -4
-12 + 2j = -24 + 2j + (-24 + 2j) + -4

Reorder the terms:
-12 + 2j = -24 + -24 + -4 + 2j + 2j

Combine like terms: -24 + -24 = -48
-12 + 2j = -48 + -4 + 2j + 2j

Combine like terms: -48 + -4 = -52
-12 + 2j = -52 + 2j + 2j

Combine like terms: 2j + 2j = 4j
-12 + 2j = -52 + 4j

Solving
-12 + 2j = -52 + 4j

Solving for variable 'j'.

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

Add '-4j' to each side of the equation.
-12 + 2j + -4j = -52 + 4j + -4j

Combine like terms: 2j + -4j = -2j
-12 + -2j = -52 + 4j + -4j

Combine like terms: 4j + -4j = 0
-12 + -2j = -52 + 0
-12 + -2j = -52

Add '12' to each side of the equation.
-12 + 12 + -2j = -52 + 12

Combine like terms: -12 + 12 = 0
0 + -2j = -52 + 12
-2j = -52 + 12

Combine like terms: -52 + 12 = -40
-2j = -40

Divide each side by '-2'.
j = 20

Simplifying
j = 20

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