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21-7x=41-123
We simplify the equation to the form, which is simple to understand
21-7x=41-123
We move all terms containing x to the left and all other terms to the right.
-7x=+41-123-21
We simplify left and right side of the equation.
-7x=-103
We divide both sides of the equation by -7 to get x.
x=14.714285714286
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