Solve Linear Equation

Solve for x:
2x + 5 = 12

• 7
• 3
• 3.5
• 8.5

Solve for x: 
4x + 1 = 7x - 5

• -1
• 2
• 6/11
• 8

Solve for x:
6(2x + 1) = 18

• 3
• 17/12
• 1
• 2

Solve for x:
2(3x + 4) + 2 = 4 + 3x

• 2
• -2/3
• 10
• -2

Solve for x:
7 - 2(10x + 1) = 25

• 2/5
• 2
• 1
• -1

Find y if

 $\frac{y}{6}$  =  3

• 9

• 2

• 18

• 3

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 definition of a coefficient?

• The letter used to represent a quantity
• The little number or letter used to raise to a power
• The number in front of a variable
• The number in back of a variable

What is the definition of a variable?

• The letter used to represent a quantity
• The little number or letter used to raise to a power
• The number in front of a variable
• The number with no variable

Which of the following is an expression?

• 6x + 2x = 6
• 10 = 5x
• 2x + 6x - 10
• 6x² + 10 = 25