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Mathematics 8 Online
OpenStudy (audreyew-.-):

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OpenStudy (audreyew-.-):

@Will.H

OpenStudy (will.h):

EF = CB x - 13 = 20 x = 33 proof subsitute x = 33 in the expression x - 13 and see if it equals to 20 33 - 13 = 20 Thus x is indeed 33

OpenStudy (audreyew-.-):

Thanks

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