Solving 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. It typically involves isolating the variable by performing an inverse operation twice.

Front

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform inverse operations in the reverse order of operations: first, eliminate any addition or subtraction, then eliminate any multiplication or division.

Front

Back

x=5

Front

Solve the equation: 15 = 2a + 7

Back

a=4

Front

Solve the equation: 2x - 3 = 1

Back

x=2

Front

Back

Multiply both sides by 3 to eliminate the fraction.

Front

Back

x=10

Front

What does it mean to check your solution in an equation?

Back

Checking your solution means substituting the value back into the original equation to verify that both sides are equal.

Front

What is the solution to the equation 2x + 4 = 12?

Back

x=4

Front

What is the solution to the equation 3x - 5 = 16?

Back

x=7