supergirl20
supergirl20 supergirl20
  • 03-03-2017
  • Mathematics
contestada

What's the answer and how to get it???

Whats the answer and how to get it class=

Respuesta :

sugeeeeeee sugeeeeeee
  • 03-03-2017
4x and -4x cancel each other out by elimination so now you add 8y and 2y getting you 10y and now you add 20 and -30 getting you -10 so 10y=-10
Answer Link

Otras preguntas

WORTH 17 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Tony has $727.29 in his checking account. He must maintain a $500 balance to avoid a
a true and factual story of someones life written by themselves
How would you describe the type of culture of alexander the great?
Based on the excerpt, what is the best reason why the reader would conclude that Mama values integrity?
Right triangles & Trigonometry. Find x.
Find the length of XZ. Round to the nearest hundredth.
What happen when the patroits did not pay the taxes?
What does Nikki Giovanni's poetry have in common with lyric poetry?
What do you call the spreadsheet cell that is in effect and has a heavier black border around it? A. Basic cell B. SUM cell C. Active cell D. TREND
On a scale of 1 to 10, with 1 being very unlikely and 10 being very likely, how likely is it that a comet will strike earth during your lifetime?