itskristall itskristall

12-01-2019
Mathematics

contestada

x/2 - y/3 = 3/2
X/3 + y/2 = 16/3

Respuesta :

GatiEyram GatiEyram

12-01-2019

x/2-y/3=3/2
(6×x/2)-(6×y/3)=6×3/2
3x-2y=9______(1)

x/3+y/2=16/3
(6×x/3)+(6×y/2)=6×16/3
2x+3y=32_____(2)
(1)×3____9x-6y=27____(3)
(2)×2____4x+6y=64____(4)
(3)+(4)___13x=91
x=7
3(7)-2y=9
-2y=-12
y=6

Answer Link

Otras preguntas

Why was the code of Hammurabi important?

Find f(−5), f(−2.4), f(2.2), and f(3.6) for f(x) = lbrace −2 if x ≤ 0 5x if 0 < x < 3 x + 5 if x ≥ 3

What the temporal arch projects off of which bone to help form the cheek?

The price of a gallon of gas has dropped to $2.83 today. Yesterday’s price was $2.89. Find the percentage decrease. Round your answer to the nearest 10th of a p

What was the major cause of the st. louis riot in 1917?

How would president washington's actions during the whiskey rebellion help determine the actions of presidents facing similar situations in the future?

when multiplying decimals how do you know where the decimal goes

The late gothic period peaked in which century?

a woman walks in and steals 100 from a register. 5 minutes later uses the same 100 to buy merchandise from that same store and buys 70 worth of merchandise with

It is so important in our everyday lives to be able to evaluate if a claim is truly scientifically reliable or not. Often, advertisements will claim to have “p