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 addition or subtraction followed by multiplication or division.

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 constant added or subtracted from the variable, then divide or multiply to solve for the variable.

Front

Solve for c: 3c + 5 = 23

Back

c = 6

Front

Solve for s: 9 = 2s + 1

Back

s = 4

Front

Back

x = 168

Front

What is the first step to solve the equation 2a + 7 = 15?

Back

Subtract 7 from both sides to isolate the term with the variable.

Front

Solve for a: 15 = 2a + 7

Back

a = 4

Front

What does it mean to 'balance' an equation?

Back

Balancing an equation means performing the same operation on both sides of the equation to maintain equality.

Front

Back

x = 7

Front

What is the solution to the equation 5x - 2 = 3?

Back

x = 1