LINEAR EQUATIONS

Which equation has x = 5 as the solution?

• x + 15 = 10
• 2x = 5
• 2x = 10

Which of the following is an equation?

• 6x + 2x - 6
• 6x² + 10 = 25
• 6x² + 10 - 25
• 10y - 6 + 34u

Solve the equation 4x + 5 = 3x + 9

• 2
• 4
• 7
• 14

Solve:
2(2x + 3) = -6(x + 9)

• 1.2
• 6
• -6
• 7.5

 $Solve\ \ 0.35\left(4x-2\right)=0.25\left(6x-5\right)$  

 $If\ 5a\ +\ 9\ =\ 5\ +\ 3a\ \ then\ 2a\ =\ _-.$  

 $If\ 3m\ =\ 5m\ -\frac{8}{5},\ then\ m=\ -\frac{4}{5}$  

• TRUE

• FALSE

 $Solve\ \frac{3z}{2}-\ \frac{z}{3}\ +\frac{2z}{5}\ =\ 94$  

• 60

• 600

• 2

• 10

 $Solve\ \frac{3x-7}{3\left(x+7\right)}\ =\ \frac{1}{15}$  

• 5

• 3

• 15

• 7

The present age of father is 4 times the age of his son. After 10 years ,age of father will become 3 times age of the son. Find their present ages.

• Son = 20 years Father = 80 years

• Son = 10 years Father = 40 years

• Son = 15 years Father = 60 years

• Son = 12 years Father = 48 years