X- 3 = 4 solve this algebraic expression

x=-7

Step-by-step explanation:

- x - 3 = 4

Add 3 to each side

- x - 3 +3= 4+3

-x = 7

Multiply by -1

-1*-x = 7*-1

x =-7

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

it is true

step-by-step explanation:

all the combinations add up i used   calculator