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Mathematics 7 Online
OpenStudy (anonymous):

If 5x - 4 = 26, what does x equal?

Vocaloid (vocaloid):

add 4 to each side first

OpenStudy (helpjebal):

what you're trying to do is isolate x by doing inverse operations. What is done to one side must be done to another. To "undo" the -4 on the left, which helps us isolate x, we'd have to add 4 to both sides. Once you do that, would you know how to "undo" 5 times x?

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