angel031
angel031
25-03-2017
Mathematics
contestada
how would you solve this problem?
Respuesta :
bcalle
bcalle
25-03-2017
Subtract the two equations.
-y = -7
y = 7
Plug 7 back in to either equation and solve for x.
x + 3(7) = 18
x + 21 = 18
Subtract 21 from both sides
x = -3
(-3,7)
CHECK
-3 + 3(7) = 18
-3 + 4(7) = 25
Answer Link
VER TODAS LAS RESPUESTAS ( 55+ )
Otras preguntas
Find the y-intercept of the line on the graph
In Stillwater, above average is 6 mph. It takes the same amount of time to travel 6 miles downstream, with the current, as it is 3 miles upstream, I can see the
What sign shoes dissolving
The rent for an apartment is represented by R(a) = 2.00a + 50.00, where a is the area of the apartment in square feet. The rent increases by $50.00 when the apa
The graph compares the number of filled tables at a party with the number of party guests. Which information tells you that the graph represents a proportional
Find the values of t so that the tangent line to the given curve is contains the given point? Given r(t)=2ti+t^2j-t^2k at point (0,-4,4)
What is the best synonym for the word attach as it is used in the sentence? My aunt used glue to attach the pictures in the scrapbook. A) bind B) latch C)
Ethics are the: religious tenets of the country or ethnic region you live in. social norms of a nation, community, or family. laws of society that define a pers
what was the dread scout desicion
Which achievement of Einstein does GPS owe its ability to function and why?
