bmgtcreative
bmgtcreative
02-05-2018
Mathematics
contestada
system of equations
y=2x-3
x+y=18
Respuesta :
mamercier21
mamercier21
02-05-2018
2x-3=-1x+18
+1x +1x
3x-3=18
+3 +3
3x=21
divide both sides by 3
x=7
Answer Link
VER TODAS LAS RESPUESTAS ( 79+ )
Otras preguntas
Can you tell and show me the answer?
Bridget is in science class. Her teacher gives her two unknown substances and asks her to determine their relative pH. She places a piece of red litmus paper in
Which choice best states one purpose of an interview? to teach a moral or life lesson to describe something in a new way to persuade someone of a point of view
zip codes in the United States are five digit combinations of numbers, such as 48104 or 02134. How many possible five digit Zip codes are there?
solve for h in the formula V=1/3rh
Four research teams each used a different method to collect data on how fast a new strain of maize sprouts. Assume that they all agree on the sample size and th
ead the claim. The way to improve education is to divide schools by gender, so that males and females are taught separately. Which sentence provides the best su
Three sets of a sum of a number and four are added to the sum of seven times the same number and 13
One of the best known coral reefd is thr great barrier reef off the n.e. corner of
a bowling ball has a diameter of 8.5 inches. If it is rolled down a 60-foor bowling lane, how many complete revolutions will it make?
