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-4x-5x=9-7
We simplify the equation to the form, which is simple to understand
-4x-5x=9-7
We move all terms containing x to the left and all other terms to the right.
-4x-5x=+9-7
We simplify left and right side of the equation.
-9x=+2
We divide both sides of the equation by -9 to get x.
x=-0.22222222222222
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