Упростите выражение№1а) 3(х-8)+2(х+3)+24б) 2(х-1)-3(х-2)+хв) 3,2(2х+1)+1,6(4х+2)+1,7г) 7,5)х-4)-2,5(3х-12)+5
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2) 2x-2-3x+6+x=4
3)6.4x+3.2+6.4x+3.2+1.7=12.8X+8.1
4)7.5X-30-7.5X-30+5=5