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OpenStudy (anonymous):
-7 + x = 13
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OpenStudy (anonymous):
20
OpenStudy (anonymous):
x=20
OpenStudy (anonymous):
thank you
OpenStudy (anonymous):
transpose -7 to the other side
OpenStudy (anonymous):
^ since it's across the = sign you need to add instead of subtract, so 13+7 = 20.
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OpenStudy (anonymous):
it will give you x = 13+7 ..
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