alyssakadas alyssakadas

13-02-2017
Mathematics

Answered

solving system of equations by substitution

Verified Answer :

apologiabiology apologiabiology

13-02-2017

y=3x-10 and 3x+2y=16
y=3x-10
subsitute 3x-10 for y in other equation

3x+2y=16
3x+2(3x-10)=16
distribute
3x+6x-20=16
9x-20=16
add 20 both sides
9x=36
divide both sides by 9
x=4

sub back

y=3x-10
y=3(4)-10
y=12-10
y=2

x=4
y=2
(4,2) is soluiton

Answer Link

Related Questions

Which of the following are strategies should you use when prereading a novel or story

How did the desire to expand into new markets help push the United states to become a world power

Photosynthetic can use light energy of the Sun to produce their own food a autotrophs b material c heterotrophs And if you can explain the answer it would be ap

Mrs Norman enjoys playing bridge if playing bridge what the gerund phrase what does it function A It is an adverb modifying a verb B It is a noun functioning as

Which statement accurately describes how wound care nurses can differentiate ischemic wounds from nonischemic wounds A Current evidence indicates that most isch

Most people have some circumstances in their lives that the potential is to produce stress True or False

Ryan is looking at a cell under a microscope he observes formation he observes spindle microtubules from the centrosomes which phase of the cell cycle is he obs

PLEASE HELP ME In the figure shown the measure of angle 6 is 141º What is the measure of angle 5

Two glasses together contain 280 mLof water The first glass contains 80 ml more than the second glass How much water does the first glass contain

You should use a conjunction to introduce an adverbial clause A plural B correlative C coordinating D subordinating

Web Analytics