04-06-2018
Mathematics

contestada

slove the system of equations 3x-7y=5 and 9y=5x+5

Respuesta :

jinc0930 jinc0930

04-06-2018

3x-7y=5

9y=5x+5
-5x+9y=5

3x-7y=-5x+9y
8x=16y
x=16y/8
x=2y

3(2y)-7y=5
-1y=5
y=-5

-5(9)=5x+5
-45-5=5x
x=-10

Answer Link

Otras preguntas

Rick has a collection of 6 video games. He let's his best friend borrow 2/6 of his video game collection. Write two fracations a equivalent to this numbet. Expl

State whether the following is an example of inductive reasoning or deductive reasoning You have a summer job as a mechanic’s helper. The mechanic asks you loos

The density of ice is 0.92 g/cm3. An ice sculptor orders a one cubic meter block of ice. What is the mass of the block? Hint: 1 m3 = 1,000,000 cm3. Give your an

Compare and contrast an electromagnet and a permanent magnet.

You work at a fruit market. Bananas cost 50¢ a pound. A customer hands you a bunch of bananas that weighs 3 pounds. How much should you charge for the bunch o

what did the Muslims gain from the crusaders ?

What role should the government have in enforcing equal rights for Americans?

The volume of a cylinder with height to radius ratio of 4:1 is 108 pie centimeters cubed. Find the radius and height of the cylinder.

Is 26 a perfect square?

how do I solve 9 1/9 - 5/6