Раскрой скобки и упрости.
1) 3(3x-5)-2(1+6x)+4(2x+3)
3) 9(3y-2)-6(4-y)-8(3y+5)
1) 3(3x-5)-2(1+6x)+4(2x+3)
3) 9(3y-2)-6(4-y)-8(3y+5)
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Answers & Comments
3)27У-18-24+6У-24У-40=9У-82
9х-15-2-12х+8+12
-3х+3=0
3х-3=0
х=1