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Mathematics
Mina Cochran
17 December, 18:34
Solve what is the answer
-2z+3+7z=-12
+1
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Alberto Adams
17 December, 20:45
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-2z+3+7z=-12
⇒ (-2z + 7z) + 3 = - 12 (combine like terms)
⇒ 5z + 3 = - 12
⇒ 5z = - 12 - 3
⇒ 5z = - 15
⇒ z = - 15/5
⇒ z = - 3
Final answer: z = - 3.
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Leland Cortez
17 December, 22:31
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Simple, all you want to find is z. Thus, you will isolate the variable z and move everything else to the other side. So when you do that the equation will look like, 5z=-15. Then just divide by 5 and your answer is z=-3.
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