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Solve the equation 5z-2z-4= -7

User Ornj
by
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1 Answer

3 votes

Answer:

z = -1

Explanation:

5z-2z-4= -7

Combine like terms

3z - 4 = -7

Add 4 to each side

3z -4+4 = -7+4

3z = -3

Divide each side by 3

3z/3 = -3/3

z = -1

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