Explicación paso a paso:
a) v= 3-14 ; v= -11
b) -k:3=23-38 ; -k:3= -15 ; -k=-15×3 ; k=45
c) 10x -4x= 22-18 ; 6x= 4 ; x= 6:4 ; x= 1.5
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Explicación paso a paso:
a) v= 3-14 ; v= -11
b) -k:3=23-38 ; -k:3= -15 ; -k=-15×3 ; k=45
c) 10x -4x= 22-18 ; 6x= 4 ; x= 6:4 ; x= 1.5