In step one, you are supposed to add 25 to both sides, because if you just subtract, it would be -5x-50=53
I’m not for sure of the answer but i do know that the two subtractions in the middle would turn into a + and i think you add the -5/8 + 3/10
Answer:
(B) i think
Step-by-step explanation:
comment how it help
Answer:
7.0 < x < 7.6
X is the ideal pH of the swimming pool
5p-4p-8=-2+3
Combine like terms
p-8= 1
Add 8 to both sides to isolate p
p=9
Final answer: 1 solution only, p=9