Simplify Expressions
Write an Equation
Check a solution
Solve an Equation
Vocabulary
100
Simplify: 5x + 14 - 3x - 9 + x
3x + 5
100
Write the verbal sentence as an equation: The product of 9 and a number is -36.
9n = -36
100
Tell whether the given variable is a solution of the equation: -225 = -3v; v = 75
Yes
100
-15 = k/-31
k = 465
100
_________ have the same variable(s) raised to the same power.
Like terms
200
Simplify: -9xy + 3y - 2xy - y + 9
-11xy + 2y + 9
200
Write the verbal sentence as an equation: The sum of 18 and a number is 27.
18 + n = 27
200
Tell whether the given variable is a solution of the equation: 29 = c/-12; c = 348
No
200
49y = -343
y = -7
200
Terms without a variable are called____________.
Constants
300
Simplify: 2(4m + 11) + 5m - 4
13m + 18
300
Write the verbal sentence as an equation: The difference of a number and 17 is -14.
n - 17 = -14
300
Tell whether the given variable is a solution of the equation: 360 = w - 197; w = 163
No
300
400 = 16a
a = 25
300
_______________ are expressions with the same value.
Equivalent expressions
400
Simplify: -5(2 - a) - 9a + 3
-4a + -7
400
Write the verbal sentence as an equation: The quotient of a number and -3 is -6.
n/-3 = -6
400
Tell whether the given variable is a solution of the equation: -207 + t = -93; t = 114
Yes
400
-18 = 45 - a
a = 63
400
The _____________ is the number part of a term that contains a variable.
Coefficient
500
Simplify: 19 - (6n - 8) + 4n -16
-2n + 11
500
Write the verbal sentence as an equation: 17 fewer than a number is 12..
n - 17 = 12
500
Tell whether the given variable is a solution of the equation: -42 + m = 2(-33) ; m = 24
No
500
116 = -35 + r
r = 151
500
A number, variable or product of numbers and variables is called a ________________.
monomial
M
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n
u