Answer:
Try entering 2x+3=15 @ x=6 into the text box. After you enter the expression, Algebra Calculator will plug x=6 in for the equation 2x+3=15: 2(6)+3 = 15. The calculator prints "True" to let you know that the answer is right. More Examples Here are more examples of how to check your answers with Algebra Calculator. Feel free to try them now.
Step-by-step explanation:
Answer:
x = 45
Step-by-step explanation:
x = (360 - 135 * 2) / 2
x = (360 - 270) / 2
x = 90 / 2
x = 45
100 markers per box
10x10
10- one pack
10- packs in a box
let n take values 1,2,3... infinity
then the sequence is:
(0,1/n)
for every number greater than zero there exist such n that (0,1/n) does not contain that number.