Question

20 + (-11) = ____ + 20

7) The variable in the expression 16x -7 is _____

8) - 80 x ____ = - 80

9) If a = 5, the value of 2a + 5 is _____

10) The equation y + 1 = 0 is true only when y is



TELL ME ANSWER THIS ​

Answer 1

Answer:

-11

x

1

2×5+5=15

-1

..........

Answer 2

Answer:

-11

7). x

8). 1

9). 15

10). -1