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I neeeeeeddddd helppppppppppppppp

I Neeeeeeddddd Helppppppppppppppp class=

Sagot :

Answer:

x = 4

Step-by-step explanation:

Cross multiply:

21*2 = 14(x - 1)

42 = 14x - 14

14x = 56

x = 4

Answer:

42=14z-14

14z=56

z=4

Step-by-step explanation: