Упростите выражения:
1168
А)3(х-5)+5(х+1)+10
В)5(х-1)-2(х+3)-3х
1174
решите уравнение 
г)5(х-1)-4(х-2)=10
е)7(х-9)-(3х+1)=9
ПОЖАЛУЙСТА  ОЧЕНЬ НАДО!!!!
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