7_Equations

 True or false?

 $4\times7=30-2$ 

• True

• False

True or False?

 $10\div2=14-7$  

• False

• True

True or False?

 $5+13=6\times3$  

• True

• False

One of the numbers is the solution to the equation $3x-11=10$  

Find the solution.

• 6

• 7

• 8

• 9

Find the equation which results from adding 5 to both sides of $4x-5=11$  .

•  $4x-5=15$  

•  $4x=11$  

•  $9x-5=15$  

•  $4x=15$  

This set of scales is balanced.

Find the value of the green box if the orange triangle is equal to 6.

• 18

• 17

• 16

• 20

Is $x+8=19-2$  true or false when  $x=9$  ?

• False

• True

Is $5x=30\div3$  true or false when  $x=3$  ?

• False

• True