Alg 1, Unit 1 Review: Equations and Inequalities

What is the first step to solving the following equation? -5b=25

• Add 5 to both sides

• Subtract 5 from both sides

• Multiply by -5 to both sides

• Divide by -5 to both sides

Solve the equation. Enter your answer using just the number (do not include x = )

 $18\ =-\frac{x}{2}$  

Solve the equation. Enter your answer using just the number (do not include x = )

 $18+x=-50$  

Which of the following equations has y=3 as the solution?

• y + 9 = 6

• 2y = 3

• 4y = 12

• -10 + y = 13

Solve the equation. Enter your answer using just the number (do not include x = )

 $6-5x=-19$  

Solve the equation. Enter your answer using just the number (do not include x = )

 $100=-4x-60$  

Is x = -5 a solution for the equation 5x - 3 = 22?

• Yes, it is a solution.

• No, the solution is x = -28.

• No, the solution is x = 22/5.

• No, the solution is x = 5.

What is the best first step to solve this equation?

 $\frac{y}{3}-6=2$  

• Subtract 2 to both sides

• Subtract 6 to both sides

• Divide 3 to both sides

• Add 6 to both sides

The first step to solve the following equation is to _______ by 4.

 $\frac{x-9}{4}=-8$  

Solve the equation. Enter your answer using just the number (do not include x = )

 $6-3\left(x+1\right)=12$