Solve for z
z=7
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7z+5=54
Combine 9z and -2z to get 7z.
7z=54-5
Subtract 5 from both sides.
7z=49
Subtract 5 from 54 to get 49.
z=\frac{49}{7}
Divide both sides by 7.
z=7
Divide 49 by 7 to get 7.
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