paige25 paige25

11-04-2016
Mathematics

Answered

8x+4y=-20 and -4x-8y=-20 solve each system by substitution

Verified Answer :

benjaminhe benjaminhe

11-04-2016

8x + 4y = -20
4y = -20 - 8x
y = -5 -2x

-4x - 8y = -20
-4x - 8(-5-2x) = -20
-4x + 40 + 16x = -20
12x = -60
x = -5

8(-5) + 4y = -20
-40 + 4y = -20
4y = 20
y = 5

Answer Link

Related Questions

Yassar a DNA analyst at a state crime lab faces a constant backlog of work What is a LIKELY cause increases in the number of crimes new data gathered through fo

Define in your own words Solute Solvent and Solution

The weight of Bills pack as he sets off on a backpacking trip is 483 lb What type of data is 483

IT WAS EASY TO IMAGINE THE SIDEWALK CRACKING OPEN AND SWALLOWING THEM WHOLE IS WHAT TYPE OF FIGURATIVE LANGUAGE

which idea about self government would have been supported by both patriots and loyalist

Economic diversity is a quality that is most often found in countries A developing B least developed C underdeveloped D developed

What is its perimeter

Roman architecture was able to make great structures such as the Colosseum and the Pantheon through its use of steel adobe concrete wood

25 The setup below shows the effect of heat on hydrated copper II sulphite a CopperIIsulphate Heat Boiling tube G State the observations made in tube G Boiling

What is the formula of nitrous acid

Web Analytics