Tyrellnix Tyrellnix

24-01-2017
Mathematics

contestada

how do you solve 3x + 8y = -5 and -2x + 2y = 18 by eliminating

Respuesta :

koolteach814 koolteach814

24-01-2017

3x + 8y = -5
+ -2x + 2y = 18
______________
10y = 13

Solve for y, then put the value of y back into one of the equations to get the value of x.

Answer Link

Otras preguntas

Select all ratios equivalent to 5:2.

Someone help pleasee

in Class of 80 students in debrebirhan university, 45 are good in mathematics, 15 are good in both mathematics and English, 13 are good in both mathematics and

3. Take vinegar, lemon juice, tap water in three separate glass beakers. Put chalk piece,pin, egg shell, leaves in three beakers. Note your observations how tes

1. Which economy is NOT associated with major, industrial world economies? Command Market Mixed Traditional

factorise [tex]4p {}^{3} q + 12p {}^{2} q {}^{2} + 8pq {}^{3} [/tex]

Who was the 32nd president of the US? How many terms were served? From what date to date?

find out the things that can be purchased between rupees 500 to rupees 100 for your house ?

Evaluate 4x + 5y , when x = 7 and y = 10

The diaphragm is cranial to the heart. True False