Which of the diagrams below represents the statement “if it is a square, then it is a quadrilateral”

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation:

the answer is d.x= 90°

y= 50°

arc lm= 100°

i got this one chief