Please Can You Solve? See Instructions Below 7x+y =1 3x+2y=-9
Solve the system of equation of equations using the substitution method. If answer is unique solution present it as an ordered pair (x,y) if not specify whether the answer is no solution or infinitely many solutions
1 Answer - Sort by: Date | Rating
The solution is as follows:
7x+y=1 eq 1
y=1-7x put in the second equation
3x+2y=-9
3x+2(1-7x)=-9
3x+2-14x=-9
-11x=-11
x=1 put this value in the eq 1
7x+y=1
7(1)+y=1
y=1-7
y=-6
So the answer is (1,-6)
7x+y=1 eq 1
y=1-7x put in the second equation
3x+2y=-9
3x+2(1-7x)=-9
3x+2-14x=-9
-11x=-11
x=1 put this value in the eq 1
7x+y=1
7(1)+y=1
y=1-7
y=-6
So the answer is (1,-6)
0
1
- When Was The First Airplane?
- Three Brothers Have 17 Apples. The Big Brother Gets 2/3 Rd Of Them. The Middle Brother Gets 1/6 Th Of Them And The Little Brother Gets 1/9 Th Of Them. How Many Apples Does Each Brother Have?
- What Is 349 As A Percentage Into 20.346?
- 'm Seven Letters Long. My 1-3 Is A Type Of Transport. My 2-5 Is A Pop Group. My 4-6 Is A Type Of Luggage. My 5-7 Changes Every Year. What Am I?
- What Is C In The Equation 4.1+c=-1.2?
- Give Example That Shows 2 Common Patterns That Occur In The Value Of Related Variables?
- Can You Solve 6=7x+x?
- What Is The Answer To F(x)=.25x+2?
- What Long Exactly Is In A Little While?
- A 5-foot Post Casts An 8-foot Shadow. A Nearby Tree Casts A 48-foot Shadow. How Tall Is The Tree?
- Find Three Consecutive Even Integers Such That The Sum Of Three Times The Middle Integer And The Third Integer Is 5 Times The First Integer?
- What Is The Highest Wind Speed' In Knot To Be Record In The Uk?
- Explain Shifting Of Functions "Quadratic Functions"?
- How Many Ways Can U Make A Graph?
- What Does The Number 7 Mean?
- Where Do U Get His Number?
- Where Do U Get Hise Number?
- How Can Nigeria Be A Greater Nigeria?
- Where Would I Find Stuff About Graphing Inequalities?
- How To Overcome The Difficulties In Solving Three Set Problem Using Venn Diagram?
- Find The Original Price Of A Pair Of Shoes If The Sale Price Is $10 After A 75% Discount?
- What Is Dorrouugh Real Name?
- Why Are Integers Important?
- What Are All The Different Types Of Pizzas?
- If A Polynomial Function Has A Degree Of 5 How Many Real Zeros Could It Have?
- How Do You Get The Instructions For A 777airplane?
- How Can I Get Instructions For Spotbot?
- What Are The Instructions To RISK?
- I Need Help In Writing Instructions On How To Use Shades. Can You Help Me?
- I Need Instructions On How To Operate A Tamagotchi?
- Are There Any Instructions On How To Defend Ourselves Against Aliens?
- Where Can I Get Instructions To A FantaSea Pool?
- What's Bobbin Threading Instructions?
- Royal 245cx Instructions?
New Comment - Comments are editable for 5 min.