42 because x is equal to its corresponding side
For this question you can just divide the both sides by -7 so you gonna have :
-7b/-7 = -42/-7 ⇒ b = 6 :)))
i hope this is helpful
have a nice day
0.035 x 1.02 is equal to 0.0357. 0.0357 divided by 0.00015 is equal to 238.