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

Otras preguntas

Question for Math! I have a 200-point math test coming up, and I don't get the concept of this question, but if somebody is willing to help me out on this quest
There are two temples, one on each bank of a river, just opposite to each other. One is 54m high. From the top of this temple angle of depression of the top and
Which represents the inverse of the function f(x) 4x? O h(x) = x + 4 O h(x) = x - 4 O h(x) Sx O h(x) = ~x
d) At the New York Stock Exchange a certain online gaming stock had an initial public offering (IPO) price of 10 USD per share and is traded 24 hours a day. Ske
There are two temples, one on each bank of a river, just opposite to each other. One is 54m high. From the top of this temple angle of depression of the top and
The sum of 2.236 and 7.555.. must be : A) Rational B) Irrational C) An integer D) A whole number
(1) When we call someone “pig” or “swine,” we do not mean it as a compliment. (2) But pigs do not deserve to be used as a symbol for an insult. (3) They are pro
Hey, How are you what you doing
PLEASE HURRY FAST!!! Jim is building a pen for his puppy. His puppy has an area of 127 square feet. Which is the best estimate for the number of feet of fencing
The sum of 2.236 and 7.555.. must be : A) Rational B) Irrational C) An integer D) A whole number