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x-9/8=21
We simplify the equation to the form, which is simple to understand
x-9/8=21
Simplifying:
x-1.125=21
We move all terms containing x to the left and all other terms to the right.
+1x=+21+1.125
We simplify left and right side of the equation.
+1x=+22.125
We divide both sides of the equation by 1 to get x.
x=22.125
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