radomes.openskiesproject.org
Anonymous Anonymous
  • 22-02-2016
  • Mathematics
Answered

What is the value of x in the equation x – y = 30, when y = 15?

Verified Answer :

Anonymous Anonymous
  • 22-02-2016

y= 15

x-y  = 30
x-15= 30
    x = 30+15
    x = 45

Therefore, the value of x is 45

Answer Link
Anonymous Anonymous
  • 22-02-2016

x - y = 30
x = ? when y = 15
Substitute for y:- 
x - y = 30
x - 15 = 30
x ⇒ ?
Inverse operation:-
30 + 15 = x
30 + 15 = 45
x ⇒ 45

Check:-
x - y = 30
y ⇒ 15
x - 15 = 30
x ⇒ 45
45 - 15 = 30
Correct!

x ⇒ 45

Answer Link

Related Questions

What are the three heredity rules
the price of milk in 2013 was around 328 a gallon This was eight times as much as you would have probably paid for a gallon of milk in the 1950s Whatwas the cos
Which kingdoms contain organisms that are prokaryotes
sqr of 103sqr 22sqr 5
Loyalists supported the British and were also called Patriots Tories allies
Last year a printing company had total sales of 37 500 The total of its variable costs was 15 000 and fixed costs were 18 000
Cayden is 43 inches taller now than he was last year Last year he was h inches tall How tall is cayden now
Naomi went on a 65 mile hike In the morning she hiked 175 miles restedand then hiked 24 more miles She completed the hike in the afternoon How much farther did
what are some environmental risk factors that should be considered and avoided when exercising
The perimeter of a rectangular house is 122fr the width is 5ft less than the length find the length and width