Solving Multi-Step Equations

What is the first step when solving a multi-step equation?

• Add or subtract to remove the constant.

• Multiply or divide to remove the coefficient.

• Simplify both expressions on each side of the equal sign.

• Isolate the variable.

What is the value of x in the equation 3x + 10x - 6 = 7?

• 0

• 1

• 2

• 3

What is the value of x in the equation -4x - 7 - 3x + 4 = 25?

• -4

• -3

• 4

• 3

What is the value of x in the equation 15 - 5(4x - 7) = 50?

• 1

• -1

• 0

• 5

What is the value of x in the equation -1/3(9x + 42) - 5x = -70?

• 7

• -7

• 14

• -14

What is the value of x in the equation (x + 3)/12 = 7/2?

• 39

• 42

• 36

• 45

Solve for r: 7(3r - 1) - (r + 5) = -52.

• -2

• 2

• -3

• 3

A rectangle has sides with lengths 3.5x + 2 and 1.5x - 1. If the perimeter of the rectangle is 22, what is the value of x?

• 1

• 2

• 3

• 4

A rectangle has a length of x + 2 and a width of 2. If the area of the rectangle is 88, what is the value of x?

• 40

• 42

• 44

• 46