5[x-4]/3 + 2[5x-3]/5 + 6[x-4]/7
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hey mate!
you have to first multiply outer terms with inner:
5x-20/3+10x-6/5+6x-24/7
now take the LCM and our LCM is 105...
35(5x-20)+21(10x-6)+15(6x-24)/105
175x-700+210x-126+90x-360/105
substitute constant and variable terms
175x+210x+90x-700-126-360/105
475x-1186/105
475x/105-1186/105
13x/5-1186/105
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