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5z-4 (z-9)=4+2
We simplify the equation to the form, which is simple to understand
5z-4(z-9)=4+2
Reorder the terms in parentheses
5z+(-4z+36)=4+2
Remove unnecessary parentheses
+5z-4z+36=+4+2
We move all terms containing z to the left and all other terms to the right.
+5z-4z=+4+2-36
We simplify left and right side of the equation.
+1z=-30
We divide both sides of the equation by 1 to get z.
z=-30
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