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

Bag A contains 5x coins. Bag B contains 3x coins. 8 coins are taken from Bag B and put into Bag A The ratio of coins in Bag A to Bag B is now 11:5 Work

pls answer this for me :)

Statistics show numbers based on studies. TRUE FALSE

nine times a number p plus two Can someone plss translate this into a algebraic expression.

Ms Lim bought x pencils and two more pens than pencils. (b) Each pencil costs 60 cents and each pen costs $2. Write down, in terms of x, the total cost in dolla

14. in the figure at the right, ∠2 and ∠5 are_____ A. complementary angles B. linear pair C. supplementary angles D. vertical angles Answer this please

Blue, green, and red are _______ colors of light.

Explain how to find the length of one side of a regular polygon if you are given its perimeter. I

Can someone please help me ASAP

Describe the impacts that migration to Aotearoa has had British people