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y-2y+4y/5=2/3-1/15+5/3+8 |*15
15y-30y+12y=10-1+25+120
-3y=154 |:(-3)
y= -51 i 1/3
y-¹⁰/₁₅+¹/₁₅-2y-²⁵/₁₅=8-⅘y
-y-³⁴/₁₅=8-⅘y
-⅕y=8³⁴/₁₅
-⅕y=10⁴/₁₅ /:-⅕
y=-51⅓
15y-10+1-30y-25=120-12y
15y-30y+12y=120+10-1+25
-3y=154 /:(-3)
y= -51 1/3