First you had to add by seven from both sides of equation form.

Then simplify by equation.

Next, you multiply by two from both sides of equation form.

And finally, simplify by equation.





Final answer: 
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-Charlie
Answer:
BCDE is inscribed quadrilateral. the opposite angles of a quadrilateral add up to 180°
<E = 84-180= 96°
ans is 96°
The gcf of 42 and 70 is 14
Answer:
A proportional relationship is any relationship that stays constant. since both sides of the equation do not change, this is a proportional relationship
ANSWER
The greatest common factor is 5b.
EXPLANATION
The first expression can be rewritten as

The second expression is rewritten as

The third expression is

The greatest common factor is the product of the least powers of the common factors.