Answer:
Step-by-step explanation:
Sample more families
sample families that have children who are not in seventh grade
sample families whose answer to the survey question is predetermined
It’s cheaper to take this bus. Compare 166 to 190
7x + 5 = 2x - 35
=> 7x - 2x = - 35 - 5
=> x( 7 - 2 ) = - ( 35 + 5 )
=> x( 5 ) = - ( 40 )
=> x × 5 = - 40

x = 5
Therefore the value of x in the given equation 5
B and A if Im not wrong hope I didn’t get it wrong