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Mathematics 16 Online
OpenStudy (anonymous):

Solve 3x +3 =21 5 6 18 36 i got 8 but its wrong im guessing :( so if its not 8 it must be 6?

OpenStudy (anonymous):

Okay, let's start by isolating the x. What's the first step?

OpenStudy (anonymous):

3x + 3 = 21 3x = 18 x = 6

OpenStudy (anonymous):

so my other answer was right 6

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