please edit your question man
Answer:
x=-7
Step-by-step explanation:
divide 12 on both sides and that equals -7

× 2
2 =

Numerator × numerator
Denominator × denominator

×

Step-by-step explanation:
Make a point P that will be the vertex of the new angle.
From P, draw a ray PQ. ...
Place the compasses on point A, set to any convenient width.
Draw an arc across both sides of the angle, creating the points J and K as shown.
Hope this helps :)
X=37/5
or 7.4 in decimal form