kieraballetbear kieraballetbear

02-05-2021
Mathematics

contestada

Solve the system with substitution
72 +10y = 36
y = 2x + 9

Respuesta :

centauron114 centauron114

02-05-2021

Answer:

x= -63 y= -117

Step-by-step explanation:

72+10(2x+9)=36

72+20x+90=36

162+20x=36

20x=-126

×= -63

y= 2(-63)+9

y=-126+9

y= -117

Answer Link

Otras preguntas

how many distinct sequences of four letters can be made from the letters in problem if each letter can be used only once and each sequence must begin with l and

Which poetic device is used in trees come running towards them '? metaphor simile personification hyperbole

how many integers between 2020 and 2400 have four distinct digits arranged in increasing order? (for example, 2357 is one such integer.)

JB and sarah are out on a hike. they follow a river running due south for about 2.3 miles. They then decide to turn due east and hike for another 3.4 miles and

100 points again 100 points again 100 points again

Please help me topic "rational equation and inequitiesA. Solve each rational equations. Determine the restrictions of the variables.

A lounge chair manufacturing company's daily production costs, (y), is dependent on the number of lounge chairs (x) produced daily. Use the graph below to answe

A bag contains 7 red marbles and 4 blue marbles. A marble is taken at random from the bag and replaced. Another marble is taken from the bag. Work out the prob

The longest dreams occur just as we are falling asleep. truefalse

Subtract and reduce to lowest terms. 3 3/7 - 2 1/5= 1 1/8 1 1/35 1 4/17 None of these choices are correct.