1.
The sum of two numbers is 36. Twice the first number minus the second is 6. Find the numbers.
A.
(14, 22)
B.
(30, 6)
C.
(42, 6)
D.
(10, 26)
Hint
2.
Use elimination to solve the system of equations given by 3
x
– 2
y
= 10 and 5
x
+ 2
y
= 6.
A.
infinitely many solutions
B.
(-2, -8)
C.
no solution
D.
(2, -2)
Hint
3.
Use elimination to solve the system of equations given by –7
x
+ 3
y
= 14 and 7
x
– 2
y
= -11.
A.
no solution
B.
C.
infinitely many solutions
D.
Hint
4.
Use elimination to solve the system of equations given by 10
x
– 40
y
= 60 and 15
x
+ 40
y
= -10.
A.
no solution
B.
infinitely many solutions
C.
(2, -1)
D.
(-14, -5)
Hint
5.
Use elimination to solve the system of equations given by 7
x
+ 23
y
= 12 and 3
x
+ 23
y
= -8.
A.
infinitely many solutions
B.
C.
(5, -1)
D.
no solution
Hint