janessa1 janessa1

07-01-2016
Mathematics

contestada

what is 14x+2y=6 -7x-2y=-13

Respuesta :

Billymkhoi Billymkhoi

07-01-2016

14x+2y=6 (1)
-7x-2y= -13 (2)

Multiply (2) by 2, we have:
-14x-4y= -26 (3)

Take (1)+(3), we can solve and get x= -1, y= 10~

Answer Link

Otras preguntas

I really need help pls pls pls help

1 pts The hanger image below represents a balanced equation. 27 v v Find the value of V that makes the equation true. OV=9 O V = 8 O V = 7 O No answer text prov

Maria bought seven boxes. A week later half of all of her boxes were destroyed in a fire. There are now only 22 boxes left. With how many did she start with?

Mr. Gomez knows that a private-fee-service plan (PFFS) available in his area has an attractive premium. He wants to know if he must use doctors in a network as

What is the percent composition of Phosphorus in Li3PO3

Which statement BEST explains how the author’s word choice in the sentence contributes to the meaning of the passage?

Please help asap!! I need help

Are people racially profiled by the Police? why or why not, explain please

What is the BEST argument for the position that minimum wage should NOT be increased? that minimum wage SHOULD be increased?

Read the excerpt from The Miracle Worker by William Gibson.CHILDREN: [DELIGHTED] There’s another present! Beatrice! We have a present for Helen, too! Give it to