Плиззз СОС СОС !!! решите ур-е: №1. 1)4x+3=x-9 2)2x-19=8-x 3)42-x=2x+9 4)3x-7=2x+3 5)7x+3=3x+27 6)20+3x=4-x №2. 1)5(x+4)=9x+12 2)8-5(4-3x)=18 3)6-x=3(x-2) 4)17-x=4(2-x)  
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