Test: Linear equations II - Normal

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Question 1:   Is the number   8   the root of the equation   25x=19
Yes, when   x>0
Yes, when   x<0
Yes
No
Question 2:   Is the number   10   the root of the equation   10y=100  ?
Yes, when   x>0
Yes
Yes, when   x<0
No
Question 3:   Solve the equation   15x=0
1
0
10
1
Question 4:   Solve the equation   28x=112
0
4
4
1
Question 5:   When   x   is double it is equal to   217  .  Find   x  .
10.85
108.5
1085
1.085
Question 6:   Number is equal to   28   when increased by   15  .  Find that number.
13
10
13
43
Question 7:   Solve   28+(43+x)=135
46
46
64
64
Question 8:   Solve   857y=25
8 4 7
8 1 7
8 1 7
8 4 7
Question 9:   Find the sum of the roots of the equations   25+5x=90   and   7x=56
5
5
10
10
Question 10:   Find two consecutive odd numbers if their sum is   72
34   and   35
33   and   35
30   and   42
35   and   37