13 11/28 hope that helps :)
Answer:
x=20
Step-by-step explanation:
5(x+9) =145 (watch carefully)
5x + 45 = 145
5x + 45 - 45 = 145 - 45
5x = 100
5x/5 (to cancel eachother out) then --> 100/5
x=20
Answer:
200
Step-by-step explanation:
order of operations
I’m not really sure, maybe try to combine common facts like x with the xs and numbers with numbers