Solving Expressions
6x + 4 = 5 + 7x
x = -1
9 + 2(x)
4(x − 2) = 2(x+3)
x=7
x/2 = 33
x = 66
−2x < 6
x > -3
-4x-3=-3x + 8
x=-11
three-fifths of a number
3/5 * x
6x-8=4-3x
x = 12/9 = 4/3
12x/4 = 15
x = 5
-7x > 56
x < -8
6x + 2 = 5x – 6
x=-8
Two less than three times a number is the same as three more than four times the number
3x-2=3+4x
-5x + 9= 3x - 15
x = 3
4x - 1/2 = 2/3
x = 7/24
4x + 49 < 9-x
x < -8
Buddy Up
7x - 2 - 2x + 5= -2x + 1+ 6x
x=-2
Four more than five times a number is the same as the product of four and three less than the number.
4+5x= 4(x-3)
4(x − 2) + 5 = 3 + 2(x − 3)
x = 0
Buddy Up
(x+1)/2 = (x-2)/3
x = -7
3(2n + 1) > 4n + 9
n > 3
-3x - 2 - 2x + 4=-8x - 3 + 2x - 1
x=-2
The sum of three consecutive integers is the same as seven less than twice the middle integer.
x + (x+1) + (x+2) = 2(x+1)-7
Buddy Up
7(x − 3) – 2(3x + 4) = 5(3x − 2)
x=-19/14
(x-3)/4 = (x+4)/5
x = 31
7n - 2(n + 5) < 3n − 16
n < -3