Vocabulary
The inverse of addition
5x + 7x + 6 + 8
12x + 14
2x + 2x - 10 = 14
x = 6
3x - 61 = 2x - 50
x = 11
2x - x + 3 = 9
x = 6
A group of coefficients, variables or constants that are separated by a plus or minus sign
3d - 4 + 6d + 7
9d + 3
-3 + 7x + 2 = -29
x = -4
8x - 90 = 2x - 36
x = 9
x + 21 + 2x = 0
x = -7
A number that is multiplied by a variable
(1/2)x - 5 - (3/5)x + 32
-(1/10)x + 27
-2x - 1.5 + x + 2= 60
x = -59.5
3x - (4/6) = 2x - (2/10)
x = 7/15
5 + (1/2)x - (9/8)x = 9 - 4
x = 0
A number that is not attached to a letter (variable)
0.2 + 9.3 - 6x + (3/4) - .25x
-6.25x + 10.25
(3/9)x + 4x + (7/6) = 10
9x + (6/2) = 6x - (3/2)
x = -1 (1/2)
3.5 - 14x + (6/10) - 2x + 12
What is the constant after combining like terms?
16.1 or 16 (1/10)
A mathematical phrase that does not include an equal sign
expression
(-3/5) + 4x - 0.9 + (3/5) - (8/2)x
-0.9
(-5/7) + 4 + 0.5x - 2 = 2
6.75x - 4 (1/4) = - 5.25 + 2 (3/4)x
x = (-1/4)
2x -5 + (7/8)x - 3 - 2(3/4)x
What is the coefficient after combining like terms?
(1/8) or 0.125