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21x+8=-36
We simplify the equation to the form, which is simple to understand
21x+8=-36
We move all terms containing x to the left and all other terms to the right.
+21x=-36-8
We simplify left and right side of the equation.
+21x=-44
We divide both sides of the equation by 21 to get x.
x=-2.0952380952381
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