Solving 1 and 2 step equations

Front

What is a one-step equation?

Back

An equation that can be solved in one operation, such as addition, subtraction, multiplication, or division.

Front

Solve for x: x - 8 = -5

Back

x = 3

Front

What is a two-step equation?

Back

An equation that requires two operations to solve for the variable.

Front

Solve for x: 4x + 7 = 23

Back

x = 4

Front

What does it mean to isolate a variable?

Back

To manipulate an equation so that the variable is on one side and all other terms are on the other side.

Front

Solve for x: -4x + 1 = 21

Back

x = -5

Front

What is the first step in solving the equation 144 = 12z?

Back

Divide both sides by 12.

Front

Solve for z: 144 = 12z

Back

z = 12

Front

What is the purpose of checking your solution in an equation?

Back

To verify that the solution satisfies the original equation.

Front

Solve for y: y + 51 = -99

Back

y = -150