Two times the sum of three and x is four less than two times x
2 (3 + x) = 2 x - 4
100
k + .6 = -3.84
What is k?
k = -4.44
100
5 r - 12 = 3
r = 3
100
24 - 5x = 7x
x = 12
100
(2 + x) / b = 5
solve for x.
x = 5b -2
200
7 (m +n) = 10 n + 17
Translate into a verbal expression (without using the word "plus")
Seven times the sum of m and n is the same as the sum of 10 times n and 17
200
x + 8 = -12
What is x - 1?
x = -20
x - 1 = -21
200
m/-5 + 6 = 31
m = -125
200
2x -3(x-2) = 2(x+1)
solve for x
4/3 = x
200
The formula for Ohm's law is E = IR, where E represents voltage, measured in volts, I represents currents, measured in Amps, and R is resistance, measured in ohms.
Solve the formula for R.
R = E/I
300
Two and one half times a number equals one and one-fifth. Find the number.
p = 12/25
300
-2/3 n = 14
what is n?
n = -21
300
(9z + 4)/5 - 8 = 5.4
(9z +4)/ 5 = 13.4
(9z + 4) = 67
9z = 63
z = 7
300
3/2 y - y = 4 + 1/2y
0 = 4
no solution
300
Solve 6x - 4z = 3 - xy for x.
x = (3 + 4z)/(6 + y)
400
Two-thirds of a number reduced by eleven is equal to four more than the number. Find the number
-45 = x
400
- 5.73 x = 97.41
What is x?
x = -17
400
Find three consecutive integers whose sum is -27
x = -10
x+1 = -9
x +2 = -8
400
Twice the greater of two consecutive odd integers is 5 less than 3 times the lesser number. Find the two numbers.
x - first number
x + 2 - second number
2(x +2) = 3x - 5
2x + 4 = 3x - 5
9 = x = first number
11 = x + 2 = second number
400
Solve ab + c = ad - f for a.
a = (-c -f)/(b-d)
500
Five eighths of a number x, is 3 more than one-half of another number y. Solve for y
2 [5/8 x - 3] = y
500
15 b = -60
What is the value of 2b?
b = -4
so 2b = -8
500
Hammad withdrew x dollars from his bank account. He spent 1/4 of it on gas and had $90 left. How much did he withdraw?
$120 = x
500
Both rectangles have the same perimeter. Find x
length rect 1 = 3x + 1
width rect 1 = x
length rect 2 =3x
width rect 2 = 3x