67+52+x=180
119+x=180
x=61
hope this helps!
the equation to be used would be x=180-(67+52)
-3|x+4|+16=7
-3|x+4|=7-16
-3|x+4|=-9
|x+4|=3
x+4=3
x+4=-3
x=-1
x=-7
X1=-7 X2=-1
For this case we must factor the following expression:

To factor, we must find two numbers that when added together give -7 and when multiplied by -10.
It is observed that there are not two whole numbers that comply with the aforementioned.
Thus, the following equation applies:

Where:

We replace:

So, the roots are:

Answer:

Since the water bill costs $35, to split it into 2 equal payments, you would simply just half $35 which is $17.50.
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