One/Two Step Equations Review

Front

What is a one-step equation?

Back

A one-step equation is an equation that can be solved in a single operation, such as addition, subtraction, multiplication, or division.

Front

What is a two-step equation?

Back

A two-step equation requires two operations to solve for the variable, typically involving both addition/subtraction and multiplication/division.

Front

Solve for d: 2d + 7 = 9

Back

d = 1

Front

Solve for r: r + 12 = 25

Back

r = 13

Front

Solve for x: 5x - 1 = 19

Back

x = 4

Front

Solve for x: 2x + 3 = 13

Back

x = 5

Front

What is the first step to solve the equation x - 4 = 10?

Back

Add 4 to both sides of the equation.

Front

Solve for x: 3x = 21

Back

x = 7

Front

What does it mean to isolate the variable in an equation?

Back

Isolating the variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

Front

Solve for x: x/4 = 3

Back

x = 12