Multiple Step Linear Equation

Use substitution to determine the solution of the system of equations.

y = −2x − 7

2y − x = 1

• (−1,0)

• (21/2,−28)

• (−6,−5/2)

• (−3,−1)

Use substitution to determine the solution of the system of equations. Write the solution as an ordered pair.

2x - 3 + 4x = 27

• 12

• 4

• 5

• 15

Solve:

7x + 19 = -2x + 55

• 4

• 14.8

• 8.2

• -4

Which equation matches the table?

• y = 3x + 9

• y = x + 9 

• y = x + 3

• y = 12x - 3

Which is the correct order in which to solve multi-step equations?

• Distribute

  Combine like terms

  Get the variable on one side by add or subtracting

  Divide or multiple

• Add or subtracting

  Distribute

  Combine like terms

  Divide or multiple

• Divide or multiple

  Add or subtracting

  Distribute

  Combine like terms

Which step cannot be performed first when solving the equation 5 - 2(x - 7) = x + 1 + 3x

• Distributing -2 to (x - 7)

• Combining x and 3x

• 5 - 2

You solve an equation and find that 7 = 9 in your final step. What does this mean?

• The equation has 1 solution.

• The equation has no solution.

• The equation has infinitely many solutions.

• The equation is an identity.

Solve for x

• 12

• 3

• 27

4a + 3 = 15

• 2

• 4

• 1

• 3