Помогите,пожалуйста, решить уравнения.
a)7-3z+5z-12=0
b)0,9x=0,8x-6-0,1x
c)5(k-2)=9
d)7-9x= -4(4x-5)
e)x-(6,3x+8)=1+2,7x
f)(x-7)-(2x+9)= -13
g)15x -1=3(7x-1)-2
h)7m-(4-(3m-5))= -m+16
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