Solving Equations

Solve the equation:

 $3c+5=23$  

• c=3

• c=7

• c=6

• c=18

Solve the equation:

 $23=7+4x$  

• x=16

• x=9

• x=4

• x=12

What is the first step to solving this equation:

 $\frac{k}{5}-3\ =\ 12$  

• Multiply each side of the equation by 5

• Add 3 to each side of the equation

• Subtract 12 from each side of the equation

• Multiply each side of the equation by k

Solve the equation:

 $\frac{2+y}{3}=-1$  

• y=-5

• y=5

• y=-1

• y=1

What are the steps to solving this equation?

 $-5x-2=13$  

• Subtract two on both sides, multiply by -5

• Subtract two on both sides, divide by -5

• Add two to both sides, then multiply by -5

• Add two to both sides, then divide by -5

Solve the equation:

 $4=\frac{a+10}{2}$  

• a=-2

• a=-12

• a=2

• a=12

What are the steps to solve the equation?

 $\frac{g-3}{3}=\frac{5}{2}$  

• Multiply each side by 2, the subtract 3 to each side

• Multiply each side by 3, then subtract 3 to each side

• Multiply each side by 3, then add 3 to each side

• Multiply each side by 2, then add 3 to each side

Solve the equation:

 $6=\frac{a}{4}+2$  

• a=1

• a=2

• a=32

• a=16

Solve the equation:

 $11-3x=44$  

• x=-11

• x=11

• x=36

• x=-18.33

Write an equation to answer the question.

331 students went on a field trip. Six buses were filled and 7  students traveled in cars. How many students were in each bus?

• 7x+6=331

• 6x+7=331

• 13x=331

• 6x-7=331