Setting Up Equations

A customer at a Mexican diner placed an order for 3 buritto bowls which were priced at $x each. He also ordered a plate of corn tacos at $12.96. He was billed a total of $32.46.

• 3x + 12.96 = 32.46

• 2x - 32.46 = 12.96

• 2x + 12.96 = 32.46

• 3x - 12.96 = 32.46

What is the first step in solving this equation?

• Add 4 to each side

• Subtract 4 from each side

• Subtract 2y from each side

• Divide each side by 2y

The objective when solving an equation is to....

• isolate the variable.

• check the solution.

• guess and check.

• combine Like Terms.

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

What is the next step to solve this equation?
3x - 5 = 7

• Add 5 to both sides of the equation

• Add 3x to both sides of the equation

• Subtract 5 from both sides of the equation

• Subtract 7 from both sides of the equation

What is the next step to solve this equation?
5k + 6 = -9

• Add 9 to both sides of the equation

• Add 6 to both sides of the equation

• Subtract 6 from both sides of the equation

• Subtract 5k from both sides of the equation

Which equation has a = 5 as the solution?

• a + 15 = 10

• 2a = 5

• 2a = 10

• a - 15 = 10

x - 62 = 123
How should you show your work to solve the equation?

• Add 62 to each side. 

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5

• Subtract 5

• Multiply by 7

• Subtract 7

What is the first step in solving the following equation?

• Add 8 to both sides of the equal sign.

• Subtract 8 from both sides of the equal sign.

• Multiply by 8 to both sides of the equal sign.

• Divide by 8 to both sides of the equal sign.