Florida11
Florida11
03-11-2016
Mathematics
contestada
5x-6y=-15 5x+6y=12 use elimination
Respuesta :
Аноним
Аноним
03-11-2016
5x-6y=-15
5x+6y=12
---------------add
10x = -3
x = -3/10
x = -0.3
5x+6y=12
5(-0.3) + 6y = 12
6y = 12 + 1.5
6y = 13.5
y = 13.5 / 6
y = 2.25
Answer Link
VER TODAS LAS RESPUESTAS ( 46+ )
Otras preguntas
What value of x makes the equation true ? 4(2x-4)=16
What value of x makes the equation true ? 4(2x-4)=16
find the circumference of a circle whose radius is 15.4cm
In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times
In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times
All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})
What value of x makes the equation true ? 4(2x-4)=16
jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music
jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music
jasmines cd collection is 3/8 jazz 1/4 rap and the rest is rock music what is the fraction of rock music
