01-02-2017
Mathematics

contestada

What's 4x+2y=10

X-y=13

Respuesta :

mohsan573 mohsan573

01-02-2017

X=y+13 then put in above

4(y+13)+2y=10
4y+52+2y=10

6y=-42

divide by 6
y=-7

Now put in X=y+13
x=-7+13
x=6

Answer Link

Otras preguntas

Elton is doing a monthly challenge to run for 15 hours 30 minutes. He has run for a total of 777 minutes so far. How many more minutes does he need to run for?

Find the length of the third side. If necessary, write in simplest radical form.

Ragini wants to lay tiles of size 20 cm x 20 cm on the floor of her kitchen which is 8 m in length and 4 m in breadth. How many tiles are required to complete

7) Remus earns $.15 per unit for the work he does. For all units he produces in a week, over 1,000, he receives $.20. What were his weekly earnings if he produc

We sometimes see state verbwhen they used with -ing form. So when they are used with-ing are they state verb or not? If they are not what we call them? and wha

make x the subject of the formula y = b/ax

When listing the levels of organization in organisms from least complex to most complex, which level is just below organs in complexity? O cell organism organ s

The diameter of the circle is 13 cm. What is the circumference of the circle? Give your answer in centimetres to 1 decimal place.

Mention 3 ways in which man-made damage to the lithosphere can be done and briefly explain how they can be prevented.

goals that contain things you might want to accomplish in your life are referred to as