Solve Two Step Equations and Inequalities

Front

What is the first step in solving the equation 2x + 7 = 15?

Back

Subtract 7 from both sides.

Front

What symbol indicates an open dot when graphing an inequality?

Back

< or >.

Front

What symbols indicate a closed dot when graphing an inequality?

Back

≤ or ≥.

Front

How do you represent the inequality 6 > x on a number line?

Back

Use an open dot at 6 and shade to the left.

Front

Solve for c: 3c + 5 = 23.

Back

c = 6.

Front

What is a two-step equation?

Back

An equation that requires two operations to solve.

Front

What is the purpose of isolating the variable in an equation?

Back

To find the value of the variable.

Front

What does it mean to graph an inequality?

Back

To represent the solutions of the inequality on a number line.

Front

What is the solution to the inequality x + 3 < 7?

Back

x < 4.

Front

How do you solve the equation 4x - 8 = 0?

Back

Add 8 to both sides, then divide by 4.