Answer:
x=8
Step-by-step explanation:
start by setting angle a equal to angle b
next add 21 to the opposite side
then subtract 2x from the opposite side
finally you're left with x=8
The problem is:
We now do L.C.M. of numerator and add, also do L.C.M. of denominator and add together:
Dividing by a fraction is same as multiplying by its reciprocal, so we have:
x cancels out, so can multiply and write:
This is the simplified form.
ANSWER:
equation: 120=2(x+32)
x=28
13x^2+8x-9