43638
43638 43638
  • 12-02-2021
  • Mathematics
contestada

-4x + 11y = 15
X = 2y

Solve using substitution

X =

Y=

Respuesta :

Crashpunk0119 Crashpunk0119
  • 12-02-2021
-4(2y)+11y=15, -8y+11y=3y=15: y=5

X=2(5)=10

To check your work -4(10)+11(5)=15
15=15
Answer Link

Otras preguntas

13. Two similar razor blades are placed one on a wooden block and the other on a soft Iron block. It was observed that the razor blade on the wooden block was a
help asap will give brainliest
HELP HELP HELP HELP HELP​
The National Institute of Justice in the United States released a report concerning the implications of eyewitness testimony and false memories, and in it, repo
Read the passage from Sugar Changed the World THE AGE OF HONEY There was a time before sugar, when those white grains that melt on your tongue did not exist any
For what value of x is r(x)=-4? (Don’t mind the writing)
ALGEBRA - need help doing the equations, An example is given in a) but need to do parts b, c, d, e, and f . can someone please help this set of equations a
explain, in therms of intermolecular forces, why greasy engine parts are better cleaned using petrol or kerosene as the solvent than water.
how the government provides support to the people in each of the 4 areas​
one strate a) 12 is 40% of what number? b) 128 is 40% of what number? c) 240 is 150% of what number? d) 588 is 98% of what number?​