4(6n+7) when n=6
172
Solve for x:
2x + 3 = 15
x = 6
Solve for m:
5 = 5m - 23 + 2m
m =4
Solve the linear system:
5x+y=4
6x-y=7
x=1
y=-1
Write: 3 times the difference of a number m and 15 is equal to 30 as an expression
3(m-15)=30.
Solve for t:
-t + 8 = 3
t = 5
Solve for x:
5x + 2 = 2x + 14
x = 4
Solve the linear system:
2x+9y=16
5x=1-3y
x=-1
y=2
Is x=8 a solution for 2x+10 < 4x-7?
No
Solve for x:
2x+5=21
x=8
Solve for p:
1.5p = 1.25p + 8
p = 32
Is the ordered pair a linear system? (8,5)
5x-4y=20
3y=2x+1
No
You buy apples at $2 per pound and oranges at $3.50 per pound. What is an expression for the total cost of fruit purchased?
Also, what is the total cost of 7 apples and 4 oranges?
2x+3.50y=c
c=28
Solve for x:
-24 = -10x + 3
x = 2.7
Solve for x:
2(5x - 1) = 3(x + 11)
x = 5
Solve the linear system for x:
y=2x-7
y=-4x+11
x=3
A rectangular banner is 16 feet long and has an area of 80 square feet. What is the perimeter of the banner?
Hint: A=L*W
P= 2W + 2L
42 feet
Solve for b:
3b-4=11
b=5
Solve for m:
9m - 4 = -3m + 5 + 12m
No Solution
Solve the linear system:
4y=12x+3
y=3x+1
No solutions