60+30x=210
60+30x=210
-60. -60
30x = 150
30/30 = 150/30
X = 5
So, Maria has been a member of the gym 5 times. You can check your answer by plugging in 5 by X
60+30(5) =210
Follow PEMDAS
(Please, Excuse My Dear Aunt Sally)
(Parenthesis, Exponent, Multiplication, Division, Addition, Substraction)
60+ 150 =210
210=210
I hope it helps you!!