-18 because a negative number times positive is negative.
~JZ
Answer:
Step-by-step explanation:
We have the expression:
The first thing we want to do, is to have the same denominator in both equations, then we need to multiply the first term by (2/2), so the denominator becomes 4*x
We will get:
Now we can directly add the terms to get:
We can't simplify this anymore
81 inches converted to feet is 6.75 feet
2x-10=x+15
X-10=15
X=25
Bc the of angle 5 is congruent to angle 7