The product of a number and 7, increased
by three.
7x+3
Evaluate
17 - 5*4 -:2
7
Evaluate for n=4
n^2-3n+8
12
Simplify
3x+6x
9x
y-17=-37
y=-20
4/5z=16
z=20
f/-4+11=5
f=24
One less than twice a number.
2x-1
Evaluate
40 - 32 -: 8+5*-2
26
Evaluate for x=4 and y=-3
(x^2-y)/2
14
Simplify
9a-10a
-a
-12+k=18
k=30
3p-4=11
p=5
4/3v+25=33
v=6
Five times the difference of a number and 3
5(x-3)
Evaluate
35 -14-:2+8^2
92
Evaluate for m=-7 and n=2
4abs(m-n)
36
Simplify
7m-5m-6
2m-6
x/9=3
x=27
-5a+7=-38
a=9
(n+4)/-2=-9
n=14
Seven less than a number squared
x2 - 7
Evaluate
(4-7)^2-6*7+20
-13
Evaluate for
s=-8 and t=3/4
s^2t-10
38
Simplify
9-6w+5
-6w+14
5m=-20
m=-4
31-12n=211
-3/8r+41=-22
r=168
Four more than the cubic root of a number
root(3)(x)+4
Evaluate for p=-3, q=-2 and t=1
4p^2+7q^3-root(3)(t)
-21
Simplify
8(x+5)
8x+40
x/3-15=-7
x=24
34=28-2/5y
y=-15
Simplify
-2(3m+9)
-6m-18
You have a cell phone plan that costs $25 per month plus an additional $0.10 for every text message sent. If your total bill for one month was $32.50, how many text messages did you send?
70
-5=(x-1)/8
x=-39