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OpenStudy (anonymous):
2(-4+7x)=-78 can you tell me what x is.
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OpenStudy (saifoo.khan):
x is an English Alphabet.
OpenStudy (saifoo.khan):
2(-4+7x)=-78 -8 +14x = -78 14x = -78 + 8 14x = 70 x = 70/14 x = 10/2 x = 5
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