Show:
One-Step Equations
Fractions & One-Step Equations
Two-Step Equations
Fractions & Two-Step Equations
Definitions
100
Solve. m + 12 = 10
What is m=-2?
100
Solve. 2/3x = 10
What is x=15?
100
Solve. 6x + 8 = 50
What is x=7?
100
Solve. x/2 - 7 = 9
What is x=32?
100
A mathematical sentence that shows the two expressions are equivalent or equal.
EQUATION
200
Solve. -2 = g - 9
What is g=7?
200
Solve. 4/9w = -8
What is w=-18?
200
Solve. 7 - 3x = 34
What is x=-9?
200
Solve. 11 = x/-5 + 8
What is x=-15 or -15=x?
200
A mathematical phrase that contains operations, numbers, and/or variables.
EXPRESSION
300
Solve. -7y = -91
What is y=13?
300
Solve. - 6/5k = 12
What is k=-10?
300
Solve. 13 = -4x + 9
What is -1=x or x=-1?
300
Solve. 3/5x + 22 = 28
What is x=10?
300
Operations that undo each other: addition and subtraction, or multiplication and division. (two words)
INVERSE OPERATION
400
Solve. a/9 = -4
What is a=-36?
400
Solve. -1/2m = -9
What is m=18?
400
Solve. 2x - 5 = 11
What is x=8?
400
Solve. 1/3x + 1 = -7
What is x=24?
400
A constant, variable, or coefficient and variables multiplied together.
TERM
500
Solve. f - 50 = 75
What is f=125?
500
Solve. 1/5n = 8
What is n=40?
500
Solve. 4m - 6 = 10
What is m=4?
500
Solve. m/9 + 10 = 8
What is m=-18?
500
A symbol for a number we don't know yet. Usually a letter like x or y. b. Solve the equation.
VARIABLE