Two step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

Back

x = 15

Front

What is the first step to solve the equation 9 + 3x = 10?

Back

Subtract 9 from both sides to isolate the term with x.

Front

Solve for x: 9 + 3x = 10

Back

x = 1/3

Front

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

Back

To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

Solve for w: -6w + 1 = -11

Back

w = 2

Front

What is the second step in solving the equation 2d + 7 = 9?

Back

Subtract 7 from both sides.

Front

Solve for a: 2a - 4 = 8

Back

a = 6

Front

What is the solution to the equation 2d + 7 = 9?

Back

d = 1

Front

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

Back

To verify that the solution satisfies the original equation.