You can put this solution on YOUR website! I assume the original equation was
(i)
step 1 - multiply by 15 to get
(ii)
step 2 - distribute to get
(iii)
step 3 - combine like terms to get
(iv)
step 4 - subtract 3x and add 20 to get
(vi)
divide to get
x = 11/8
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