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x+51=-4x-89
We simplify the equation to the form, which is simple to understand
x+51=-4x-89
We move all terms containing x to the left and all other terms to the right.
+1x+4x=-89-51
We simplify left and right side of the equation.
+5x=-140
We divide both sides of the equation by 5 to get x.
x=-28
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