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Tell whether this solution has one, zero or many solutions by solving it -2(z+3)-z=-z-4(z+2)
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2 votes
Tell whether this solution has one, zero or many solutions by solving it -2(z+3)-z=-z-4(z+2)

User Haseeb
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1 Answer

3 votes
-2z - 6 - z = -z - 4z - 8

-3z - 6 = -5z - 8

-3z - 6 = -5z - 8

2z = -2

z = -1

the equation has 1 solution
User Jeremy Boyd
by
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