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OpenStudy (anonymous):
( x + 20 ) over 2 = 3x
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OpenStudy (doggy):
x = 4 i think
OpenStudy (shamil98):
(x+20)/2 = 3x multiply both sides by 2 x+20 = 6x 20 = 5x 4 = x
OpenStudy (anonymous):
Thank you!
OpenStudy (anonymous):
You were first
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