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4 March, 11:07
What is the answer to - 7 (z-6) = - 70
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Barbara Nolan
4 March, 11:24
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-7 (z - 6) = - 70
-7z + 42 = - 70
- 42 - 42
-7z = - 112
-7z/-7 = - 112/-7
z = 16
Answer: z = 16
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Tessa Wolfe
4 March, 13:29
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Distribute to get rid of parentheses. - 7z+42 = - 70
Subtract 42 on both sides to get closer to isolating variable. - 7z=-112
Divide - 7 on both sides to finally isolate variable. z=16
Answer is z=16
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