Solving Equations

Solve for y:
 $2y\ =\ 4$  

• y = 2

• y = 1

• y = 6

• y = 1/2

 Solve for x. 

 $\frac{3}{4}x\ =\ -9$  

• x = - 4

• x = 12

• x = 4

• x = -12

Distribute and Simplify then solve:

2(x + 5) - x = 12

• x = 3

• x = 1/2

• x = 2

• x = 8

What is the first step to solve this equation:

- 3x -11 = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Solve:
3(3x - 6) = 18

• x = 4
• x = -4
• no solution
• infinite solutions

3a + 9 + 4a = 2

• -1
• 1
• no solution
• -7

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides
• Add the 2a and a 
• Distribute 4 to a and -5
• Distribute -4 to a and -5