11-12-2016
Mathematics

contestada

Solve the system of equations.

5x + y = 9
3x + 2y = 4

Relax

Respuesta :

11-12-2016

y=-5x+9

3x+2(-5x+9)=4
3x-10x+18=4
-7x=4-18
-7x=-14
x=2

5(2)+y=9
10+y=9
y=9-10
y=-1

The answer is (2,-1) :)

Answer Link

Otras preguntas

how much did a purse original cost if you bought it for $55.00 at 25% off

when you rub your hand together,you produce a little heat.describe the flow of energy that causes the heat to be produced.use terms chemical energy,kinetic ener

Two friends leave school at the same time, Sarah is heading due north and Beth is heading due east. One hour later they are 10 miles apart. If Sarah had travele

Debbie ate 1/8 of a large brownie. Julian ate 1/2 of a small brownie, Julian says he ate more than Debbie because he said 1/2 is more than 1/8

Three of four numbers have a sum of 22. If the average of the four numbers is 8, what is the fourth number ?

7/8+1/4= add write each sum in simplest form?

Solve the system of equation algebraically 5x-2y=4 2x-y=1

why did slavery spread in the south

? If Cuba had entered into a trade agreement with an Asian country in 1903 without US approval, which of the following agreements or amendments would that agree

why doesnt your dna look like the double helix model that Watson & Crick discovered?