Answer:
x = 3
Step-by-step explanation:
This is an isosceles triangle. Two angles (D and F) are equal because the sides opposite them are equal (or vice versa).
Thus, side DE = side EF, or
12x - 8 = 4x + 16
Combining like terms: 8x = 24
Thus, x = 24/8 = 3
x = 3
Hello there.
<span>-3(7+4n)=-8n-29
First, s</span><span>implify both sides of the equation.
Next, a</span><span>dd 8n to both sides.
After, a</span><span>dd 21 to both sides
Then, d</span><span>ivide both sides by -4
Last, you'll get </span>n=<span>2
Your answer: </span>n=<span>2</span>