Please help me with these....or one and explain how to put into calculator please.....
1 answer:
Answer:
1. x= -20
2. x= 6.33
Step-by-step explanation:
Question 1:
10=7
x=x+6
(Cross multiply)
10(x+6)=7x
10x+60=7x
10x-7x=-60
3x=-60
x=-60/3= -20
Question 2:
6=4
8=x-1
(Cross multiply)
6(x-1)=4×8
6x-6=32
6x=32+6
6x=38
x= 6.33
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