kimyangb kimyangb

29-09-2016
Mathematics

Answered

2x=56-20y

-16x=92-20y

Verified Answer :

nobillionaireNobley nobillionaireNobley

30-09-2016

2x = 56 - 20y => x = 56/2 - 20y/2 => 28 - 10y . . . (1)
-16(28 - 10y) = 92 - 20y
-448 + 160y = 92 - 20y
160y + 20y = 92 + 448
180y = 540
y = 540/180 = 3
From (1), x = 28 - 10(3) = 28 - 30 = -2.

Therefore, x = -2 and y = 3.

Answer Link

Related Questions

Use pictures or words to explain how you would use doubles plus 1 to solve 45

A ball is thrown horizontally from the roof of a building 56 m tall and lands 45 m from the base What was the balls initial speed

what would you do if you had 999 trillion dollars

81 and 25 in standard slope

A DJ has a total of 1075 dance rockand country songs on her systemThe dance selection is three times the size of the rock selectionThe country selection has 105

as a result of the revolution women in america won suffrage earned the right to own property gained respect suffered abuse

if you know that a nation uses a parliamentary system of government but have no other information what do you know for certain about the structure of that gover

presidents are elected by

what observations indicate a connection between the moon and tides

A businessman buys 1440 dozen pens at 250 a dozen and then sells them at a price of 25 apiece what is his total proﬁt on the lot of pens