Solve for a
a=-\left(c+b-2x-2cx\right)
Solve for b
b=-\left(c+a-2x-2cx\right)
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a-2x+c=2cx-b
Subtract b from both sides.
a+c=2cx-b+2x
Add 2x to both sides.
a=2cx-b+2x-c
Subtract c from both sides.
b-2x+c=2cx-a
Subtract a from both sides.
b+c=2cx-a+2x
Add 2x to both sides.
b=2cx-a+2x-c
Subtract c from both sides.
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