One-Step Equations (101) Addition Subtraction

Front

Solve for y: y - 7 = 10

Back

y = 17

Front

Solve for x: x - 8 = -5

Back

x = 3

Front

Solve for g: 7 + g = 11

Back

g = 4

Front

Solve for x: x + 19.46 = 245.3

Back

x = 225.84

Front

Solve for m: m + 13 = 21

Back

m = 8

Front

Definition: One-Step Equation

Back

An equation that can be solved in one operation, either addition or subtraction.

Front

Principle: Isolate the variable

Back

To solve an equation, you need to get the variable alone on one side of the equation.

Front

Example: Solve for x: x + 5 = 12

Back

x = 7

Front

Example: Solve for y: y - 4 = 10

Back

y = 14

Front

Definition: Inverse Operation

Back

An operation that reverses the effect of another operation, e.g., addition and subtraction.